A certain element exists at room temperature as a brittle solid. When tested, it is a poor conductor of electricity. This element is most likely classified as —

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Answer 1

the answer is Nonmetal


Related Questions

the technique that injects oxygen and nutrients into a contaminated aquifer in order to foster the growth of bacteria that can break down contaminant molecules is called group of answer choices effluent. buffering. reactive barrier injection. bioremediation.

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Biosparging is the process of groundwater remediation as oxygen, and possible nutrients, is injected. When oxygen is injected, indigenous bacteria are stimulated to increase rate of degradation. However, biosparging focuses on saturated contaminated zones, specifically related to ground water remediation.

Any procedure where a living or dead biological system (usually bacteria, microalgae, fungus, and plants) is used to remove environmental contaminants from air, water, soil, flue gasses, industrial effluents, etc., in natural or artificial settings is referred to as bioremediation. The use of biological resources in the treatment of contaminated environments has gained popularity due to organisms' inherent capacity to adsorb, collect, and degrade common and developing contaminants. Bioremediation is scalable, affordable, sustainable, and environmentally friendly in contrast to traditional physiochemical treatment approaches, which have significant limitations. The majority of bioremediation is unintentional and involves native organisms. Research on bioremediation has a strong emphasis on accelerating the process by introducing organisms to a polluted site or providing nutrients to encourage the growth of organisms.

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1. Voyaging populations of hunter-gatherer Native Americans visited the Channel Islands and
found tar balls on the beaches from the natural oil supplies. The tar balls could be used as a
waterproofing material for small huts. The visitors also caught an abundance of fish and sheep
and found several edible plants. Within 5 years, the Native American population exploded; they
inhabited every island in the archipelago.
Population
Native Americans
Prediction:
Santa Cruz sheep
Prediction:
Cause
Effect

Answers

They employed traps, nets, and hooks to hunt smaller species, and they also used tools to prepare wild meals.

Why, after Europeans entered the Western Hemisphere, did native populations in California continue to hunt and gather for hundreds of years?

Why, after Europeans entered the Western Hemisphere, did native populations in California continue to hunt and gather for hundreds of years? There was a plentiful supply of food on land and in the sea.

The Great Basin's archaic inhabitants' primary food supply was what?

The Great Basin had several different types of environments where ancient humans once lived. 2. Despite the wide variety and occasionally abundance of animals, these peoples mostly relied on plants as a source of sustenance. C.

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What is the name of the brown-colored substance that appears on the apple?​

Answers

Answer:

Phenols and the enzyme phenolase are found in the cells of the apple, and when these are exposed to oxygen in the air, for example through slicing, the oxygen causes a reaction. The phenolase changes the phenols into melanin, which has a brown colour.

I hope this helps...

The water molecule is a polar molecule. A water molecule is polar because

The electrons are shared equally

Oxygen has a stronger attraction for electrons than hydrogen

It is very cold

Hydrogen atoms have a stronger attraction for electrons than oxygen

Answers

The correct answer is: "B. Oxygen has a stronger attraction for electrons than hydrogen."

What are polar molecules?

A water molecule is polar because it has a bent shape and an unequal sharing of electrons between the oxygen and hydrogen atoms.

Oxygen has a stronger electronegativity (ability to attract electrons) than hydrogen, which means it attracts the shared electrons in the covalent bond between the two atoms more strongly. As a result, oxygen has a partial negative charge (δ-) and hydrogen has a partial positive charge (δ+).

This separation of charges makes the water molecule polar, with a slightly negative end and a slightly positive end. This polarity allows water molecules to interact with each other through hydrogen bonding and gives water its unique properties, such as its high boiling point, surface tension, and solvent abilities.

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The pointy, inferior part of the heart is the ____ while the _____ is much broader with multiple blood vessels entering and exiting from the region.
A. Base; apex.
B. Apex; base
C. Auricle; septum
D. Septum; auricle

Answers

The pointy, inferior part of the heart is the _apex___ while the __base___ is much broader with multiple blood vessels entering and exiting from the region.

Which of the following is NOT a foodsource of parasitic nematodes?A. the moist tissues of plantsB. the roots of plantsC. the fluids of animalsD. the bacteria in the air

Answers

Many plant parasitic nematodes feed on moist tissues of plants, therefore A is incorrect.

Many parasitic nematodes also create wounds on the roots of plants while feeding, making them vulnerable for other parasits. Therefore, B is incorrect as well.

The parasitic nematodes are the ones that feed on animals and plants, because a parasitic relationship means that the nematode needs the animal/plant to survive and reproduce, and will cause harm to them as well. Therefore, C is incorrect too because when nematodes are parasites in animals they will feed from theirs fluids.

The nematodes that eat bacteria in the air are free-living nematodes, therefore the correct answer is D. the bacteria in the air

the scottish fold is a breed of cat with a mutation in a gene involved in cartilage development. the result is that each ear of the cat has a crease, so the ears fall forward and lie against the head instead of standing up like the ears of most small cats. the mutation is a dominant allele.

a cat that is heterozygous for the fold allele mates with a cat that is homozygous for the fold allele.

what are the expected percents of offspring that will have each characteristic?

Answers

In complete dominance, the presence of at least one dominant allele in the genotype is enougth to express the dominant phenotype. 100% of the offspring will have mutated creased ear, while 0% of the will have normal standing ear.

What is complete dominance?

Complete dominance is the inheritance pattern in which the dominant allele completely masks the recessive allele.

This interaction between alleles is observed in individuals who are heterozygous for a particular gene. They carry both alleles but only express the dominant trait. The dominant allele is hiding the expression of the recessive allele.

In the exposed example,

E is the dominant allele and codes for the mutated creased ear,e is the recessive allele and codes for the normal standing ear.

Cross: a cat that is heterozygous with a cat that is homozygous for the fold allele.

Parentals) Ee   x   EE

Gametes) E   e     E   E

Punnett square)   E    e

                     E    EE    Ee

                     E    EE    Ee

F1) 50% of the progeny is expected to be heterozygous

     50% of the progeny is expected to be homozygous dominant

     100% of the progeny is expected to have ears with a crease.

The expected percents of offspring that will have each characteristic are,

100% of the animals will have mutated creased ear,0% of the animals will have normal standing ear.

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During an evening hike, you see a shooting star just like the one pictured here.

In which layer of the atmosphere does this shooting star occur?

troposphere
stratosphere
mesosphere
thermosphere

Answers

The shooting star occurs in the mesosphere, which is the layer of the atmosphere above the stratosphere and below the thermosphere.

The shooting star observed during an evening hike occurs in the mesosphere. Shooting stars, also known as meteors, are visible when small particles, typically from comets or asteroids, enter the Earth's atmosphere and burn up due to friction with the air molecules. The mesosphere is the third layer of the Earth's atmosphere, located above the stratosphere and below the thermosphere. It extends from about 50 to 85 kilometers (31 to 53 miles) above the Earth's surface. In the mesosphere, the air is thin and the temperature decreases with altitude. This layer is where most meteors burn up and produce the phenomenon of shooting stars that we observe from the ground.

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What membrane is rough ER connected to?; Is rough ER connected to smooth ER?; What connects rough ER to Golgi?; What is the connection between rough ER and DNA?

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The rough ER's membranes are connected to the outer nuclear membrane, and its lumen is continuous with the perinuclear space.

The Golgi complex and the rough ER collaborate closely. A structure known as a transition vesicle is created in the ER when a protein is produced there. The Golgi apparatus take up this vesicle or sac after floating through the cytoplasm. The vesicle then travels to the cell membrane, where the chemicals are let go of the cell.

The ER transports proteins to the Golgi apparatus.

Rough ER (RER) participates in several aspects of protein synthesis, folding, quality assurance, and dispatch. Because it is covered in ribosomes, it is known as "rough." Smooth E R (SER) is connected to the synthesis and metabolism of lipids and steroid hormones.

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Can someone feel this chart out and give explanations. It’s on Benedict’s test, iodine test, Sudan test, and biuret test.

Can someone feel this chart out and give explanations. Its on Benedicts test, iodine test, Sudan test,

Answers

The biuret test is used to detect the presence of proteins in a sample. Biuret reagent is added to the sample, and if proteins are present, the copper ions in the reagent will bind to the peptide bonds in the protein, causing the solution to turn from blue to purple. The intensity of the color change is proportional to the amount of protein present in the sample.

What are Benedict’s test, iodine test, Sudan test, and biuret test?

Benedict's test is used to detect the presence of reducing sugars, such as glucose and fructose, in a sample. To perform the test, the sample is mixed with Benedict's reagent and heated in a water bath. If reducing sugars are present, the solution will change from blue to green, yellow, orange, or red, depending on the concentration of reducing sugars.

The iodine test is used to detect the presence of starch in a sample. Iodine is added to the sample, and if starch is present, the iodine will bind to the starch molecules, forming a blue-black color.

The Sudan test is used to detect the presence of lipids or fats in a sample. Sudan III or Sudan IV dye is added to the sample, and if lipids are present, the dye will bind to the lipids, causing them to appear as red droplets in the sample.

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Which of the following is a biotic limiting factor? a. Fire b. Earthquake c. Hurricane d. Predators​

Answers

Predators

- BRAINLIEST answerer

HOMOLOGOUS CHROMOSOMES SEPERATE FROM EACH OTHER WHAT STAGE

Answers

Answer:

Homologous chromosomes separate from each other during anaphase I of meiosis.

Explanation:

Meiosis is a specialized type of cell division that occurs in sexually reproducing organisms. It involves two rounds of cell division, known as meiosis I and meiosis II, which result in the formation of haploid gametes (sperm or eggs) with half the number of chromosomes as the parent cell.

During meiosis I, homologous chromosomes pair up and exchange genetic material in a process called crossing over. Then, during anaphase I, the homologous chromosomes separate from each other and migrate to opposite poles of the cell. This is followed by telophase I, cytokinesis, and the formation of two new cells, each with a haploid set of chromosomes.

In contrast, during meiosis II, the sister chromatids of each chromosome separate from each other and migrate to opposite poles of the cell, resulting in the formation of four haploid daughter cells.

Which RNA bases would pair with CCG TAA in transcription?

Answers

Answer:

GGC AUU, in transcription pair for RNA, Uracil is present instead of Thymine.

Which statement about the Federal Reserve (the Fed) is true?

Unless a person works there, the Fed has little impact on everyday life.
The Fed determines the criteria banks must use to evaluate loan requests.
The Fed serves as the nation's central bank and regulates banking practices.
Because it is independent, the Fed reviews and approves the national budget.

Answers

Answer:The Fed serves as the nation's central bank and regulates banking practices.

Explanation:The Feds regulate banks and who uses that certain bank.

Answer:hey  not here to answer but to say hey i miss you and just got out of the

hospital

Explanation:

What features developed between Platyhelminthes and Nematodes and the closest previous branch of the tree? They are related to all the other branches, how? What do they have in common with their closest relatives? What's different?

Answers

Answer:

Explanation:

Platyhelminthes and Nematoda are two phyla of animals made up of invertebrate worms. Although both strains are made up of worms, the two types of worms are not closely related. The main difference between Platyhelminthes and Nematoda is that Platyhelminthes is made up of flatworms with a thin, dorso-ventrally flattened body, while Nematoda is made up of a cylindrical body that tapers to fine ends at each end. Tapeworms, Turbellaria, Trematoda, and Monogenea are examples of Platyhelminthes. Secernentea, Enoplea, Chromadoria and Adenophorea are the examples of the nematodes. The flatworm Planaria and the roundworm Caenorhabditis elegans are the best-studied worms in the laboratory.

Choose the reason(s) why plants need fertilizer. (There may be more than one answer.)


To provide oxygen
To provide nitrogen for proteins
To provide carbon dioxide
To provide various minerals
To provide protein for plant growth

Answers

Answer:

Explanation:Fertilizers are food for plants.Plants get carbondioxide from air and release oxygen.They are added to the soil to make up the deficiency of essential elements like nitrogen,phosphorus and potassium required for the proper growth of plants.

How the digestive food from the duodenum reach the liver?
Brief Description..please​

Answers

Answer:

The pancreas delivers the digestive juice to the small intestine through small tubes called ducts. Liver. Your liver makes a digestive juice called bile that helps digest fats and some vitamins. Bile ducts carry bile from your liver to your gallbladder for storage, or to the small intestine for use.

Hope this helps :)

Which of the following represents an in vivo method for cultivating viruses.

a.) HeLa cells

b.) Pure bacterial cell cultures

c.) Embryonated chicken eggs

d.) Lung cell culture

Answers

Embryonated chicken eggs represents an in vivo method for cultivating viruses. (option c)

To cultivate viruses in a living system, an in vivo method is used. Among the options provided, embryonated chicken eggs are the most commonly used method for culturing viruses in a living organism.

HeLa cells: HeLa cells (a) are human cancer cells commonly used in laboratory research, but they are not a living organism suitable for virus cultivation.

Pure bacterial cell cultures: Bacterial cell cultures (b) are often used to study bacteriophages, which are viruses that infect bacteria. However, this method involves culturing viruses in bacterial hosts and does not involve a living organism.

Embryonated chicken eggs: Embryonated chicken eggs (c) are a widely used method for virus cultivation. In this method, viruses are injected into the developing embryo, which provides an environment for viral replication. The embryos provide a controlled and nutrient-rich environment for the viruses to grow and propagate.

Lung cell culture: Lung cell culture (d) involves growing lung cells in a laboratory setting. While this method can be used to study certain viruses, it is an in vitro (outside a living organism) method rather than an in vivo method.

In conclusion, the in vivo method for cultivating viruses among the options provided is embryonated chicken eggs. This method provides a living system in which viruses can replicate and propagate. (option c)

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Suppose there were many chloroplasts in the cells of the upper epidermis. How would that change the amount of sunlight reaching the chloroplasts in the palisade layer?

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Suppose there were many chloroplasts in the cells of the upper epidermis. The change the amount of sunlight reaching the chloroplasts in the palisade layer is that: The palisade mesophyll chloroplasts would receive less light if the top epidermis contained chloroplasts since they would absorb the majority of the sun's energy.

Do chloroplasts exist in the top epidermis?

A single layer of cells, with few or no chloroplasts, makes up this layer. Since the cells are relatively transparent, most of the light that reaches them can reach the cells below. A waxy, waterproof cuticle covers the upper surface of the leaf, preventing water loss from the leaf.

Therefore, Palisade cells are the ones with the most chloroplasts per cell, making them the main location of photosynthesis in the leaves of plants that have them. Photosynthesis is the process by which light energy is transformed into the chemical energy of carbohydrates.

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1
2
3
4
5
0
8
co
How many pairs of chromosomes do humans have?
22
23
ООО
44
46

Answers

46 chromosomes in humans

Answer:

b. there are 23 PAIRS of chromosomes.

Explanation:

If you cut your knee, pus, which is caused by _____, may form.

blood cells losing their hemoglobin
medicinal material excreted by macrophages
pathogens trying to infect the area
the death of macrophages

Answers

Answer:

The last one

Explanation:

the prefix gen- means "begin." how does this apply to the key term generation?​

Answers

The prefix "gen-" in "generation" implies the act of beginning or bringing forth something new, marking a departure from what existed before.

The prefix "gen-" does not specifically mean "begin," but rather derives from the Greek word "genēsis," which translates to "origin" or "creation." In the context of the key term "generation," the prefix "gen-" conveys the notion of creating or producing something new.

When we refer to "generation," we often think of a group of individuals born and raised during a particular period. However, the concept of generation extends beyond human demographics. It encompasses the idea of a collective creation or production of something that arises or evolves within a specific time frame.

In the broader sense, generation implies the development, formation, or emergence of something novel, whether it be ideas, technologies, energy sources, or social movements. It captures the essence of progress and the continuous cycle of renewal and innovation.

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What function does this structure have?

Answers

The structure which was given is the mouth and it helps to allow air and nutrients in the form of food to enter your body.

What is Digestive system?

This consists of the gastrointestinal tract and accessory organs of digestion  which are involved in the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

The mouth ensures that food is broken down as it contains the teeth which is used to grind them into bits and enzymes such as amylase which helps in the breakdown of carbohydrate substances.

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what are the parts of the brain

Answers

Answer:

Cerebrum. Cerebellum. Brain stem.

Explanation:

Does a eukoryotic cell have a cell membrane ?

Answers

Yes, Eukaryotes are organisms whose cells have a nucleus and other organelles enclosed by a plasma membrane aka cell membrane.

make a in a sentence to uwuwpbrnjb​​

Answers

Yes
The answer is yes

Help please first one to answer gets the crown .
Please look at the picture & answer the question.

Help please first one to answer gets the crown . Please look at the picture & answer the question.

Answers

Answer:

I think it’s the first and the last one

Explanation:

DNA is formed using four kinds of base subunits. In a double-stranded segment of DNA, the percentage of the base C is 18%. What is the approximate percentage of base T?

Answers

Answer:

The correct option is C 32%

According to Chargaff’s rule in a DNA molecule A = T and G = C and A + G + C + T = 100%. Here cytosine (C) is 18% hence G = 18%

A + T = (100 – 36)%

A + T = 64%

A = 32%

Explanation:

What two things do producer bacteria and plants have in common ??

Answers

Answer:

Like plants, producer bacteria use the energy from sunlight to make food. These bacteria are often green.

The common thing which has been shared by both bacteria as well as plants that they both prepare their food in the presence of sunlight and the process is known as photosynthesis.

What is photosynthesis?

Photosynthesis is the process in which green plants prepare their own food in the presence of sunlight and the heat energy is converted into chemical energy during the process of photosynthesis. Due to presence of chlorophyll The color of plants are green.

Leaf has been known as the basic site for the process of photosynthesis it means that the process of photosynthesis occurs in leaf. The main function of leaf has to produce the food material for plants which will help plants to get nourished.

Green plants contain chlorophyll and they prepare there own food in the presence of sunlight and the process is known as photosynthesis. In the process of photosynthesis light  energy converted into chemical energy.

Therefore, the common thing which has been shared by both bacteria as well as plants that they both prepare their food in the presence of sunlight and the process is known as photosynthesis.

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Kai looks at a photo of herself with her parents. She notices that, while her features are similar to her parents’ features, they do not appear to be identical.

Answers

Answer:

The continuation of the question is

Which explains why this is the case?

Their DNA is made of different codon sequences.

Their DNA is made of four different bases.

Kai inherited more proteins from one parent than the other.

Kai inherited different amino acids from either of her parents.

The answer is Their DNA is made of different codon sequences.

DNA which is also called Deoxyribonucleic acid contains nitrogenous base pairs, deoxyribose sugar and a phosphate group. The amino acids which are found in the base pairs are responsible for the different traits expression. This is possible as a result of the different coding sequences as there are more than 60 codon sequences. This is why there is a slight variation between Kai and her parents.

Answer:

Their DNA is made of different codon sequences.

Explanation:

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