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expeople1 [14]
2 years ago
13

Which of the following best describes how the structure of ice benefits the organisms that live in the water below?

Biology
1 answer:
Ganezh [65]2 years ago
6 0

Answer:

The water molecules in ice are considerably far apart as compared to cold water of 4 degrees centigrade and below. This, therefore, makes ice less dense than water at these temperatures (because they are fewer water molecules in ice per unit volume). This is why ice floats on cold water below 4 degrees centigrade. Ice, being a bad conductor of heat, shields the water below an ice sheet from excessive heat loss to the atmosphere. This is why water remains liquid below an ice sheet protecting the marine life below from complete freezing.

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A farmer is being troubled by coyotes eating his sheep. in an attempt to solve the problem, he kills a sheep and laces its body
Rom4ik [11]
The correct answer is "conditioned taste aversions".

Conditioned Taste Aversions is best described as an event wherein it occurs whilst<span> an animal </span>friends<span> the </span>flavor<span> of a </span>certain food<span> with </span>symptoms resulting from<span> a </span>poisonous<span>, spoiled, or </span>toxic <span>substance. </span>normally<span>, </span>taste<span> aversion is </span>developed<span> after ingestion of </span>food<span> that </span>reasons<span> nausea, </span>illness<span>, or vomiting.</span>
7 0
2 years ago
you are given samples of the substances shown in the table the samples are labeled a b c at room temperature sample a is a solid
Eddi Din [679]

Answer:

The sample a which is solid at 20°C is "Iodine"

The sample b which is liquid at 20°C is "Bromine"

The sample c which is gas at 20°C is "Chlorine"

Explanation:

Iodine : It starts melting at 113.7°C, so the solid sample found is the iodine. Iodine is present in both solid as well as in vapor state.  Basically it is kept in closed jars. Only when it reaches the temperature above the melting point is starts melting.

Bromine: It is a non metallic element that is present in the liquid state, being a member of halogen group. It is heavy, mobile and dangerous reddish brown liquid. It is corrosive in nature, when comes in contact with human tissue and causes irritation in eye when comes in contact with its vapor.

Chlorine: In room temperature it is gas, as it has weak intermolecular interaction which fails to keep the molecules closely attached.

3 0
2 years ago
A point mutation changes the DNA sequence CGA to CGT, but the same protein is still produced. Which point mutation occurred? A.
iren [92.7K]
The answer is <span>C.silent.

Nonsense, missense, silent, and frameshift mutations are point mutations. The point mutations are the change in a single nucleotide base on the DNA molecule. In a missense mutation, the change in a single nucleotide base results in a codon coding for a different amino acid. In a nonsense mutation, the change in a single nucleotide results in a stop codon or in a nonsense codon. Frameshift mutation, due to addition or deletion of a base, results in the change of reading frame and totally different translation. In all these cases, the change could lead to different of nonfunctional protein translation.
Silent mutation, on the other, means that change in a nucleotide base will no affect amino acid. It will result in a different codon, but the one that code for the same amino acid, so the same protein will be produced.

</span>
7 0
2 years ago
Read 2 more answers
James is making models of plant and animal cells using objects supplied by his teacher to represent organelles. For one cell, he
uysha [10]
He is making a plant cell since the cell walls are box shaped, the balloon would be the large vacuole which takes up a lot of space in the cell, the marbles would be the ribosomes.
3 0
2 years ago
Read 2 more answers
Alkaptonuria is an infrequent autosomal recessive condition. It is first noticed in newborns when the urine in their diapers tur
Arisa [49]

Answer:

See the answer below

Explanation:

Let the disorder be represented by the allele a.

Since the disease is an autosomal recessive one, affected individuals will have the genotype aa and normal individuals will have the genotype Aa or AA.

Since the four adults are carriers, their genotypes would be Aa.

                    Aa     x     Aa

Progeny:    AA    2Aa    aa

Probability of being affected = 1/4

Probability of being a carrier = 1/2

Probability of not being affected = 3/4

(a) The chance that the child second child of Mary and Frank will have alkaptonuria = 1/2

(b) The chance that  the third child of Sara and James will be free of the condition = 3/4

(c)

(d) If someone has no family history of the disorder, their genotype would be AA.

                 AA     x     aa

                        4 Aa

<em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history </em>= 0

(e)

(f) <em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history</em> = 0

5 0
2 years ago
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