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Klio2033 [76]
3 years ago
9

Help me in my hw ,An air bubble in a jar of water shines brightly.Why?Correct answer will get brainlest and thx but plz don't sp

am.Help me fast ❤️​
Biology
2 answers:
Amanda [17]3 years ago
5 0

Answer:

As the bubble is a spherical entity, the probability of total internal reflection from the watery films is high due to its curvature. As a result, most of the light rays get reflected and therefore the air bubble shines brightly with some sparkling in water

jasenka [17]3 years ago
5 0

Answer:

They shine because of total reflection. The speed of light is faster inside the air bubble than in the water. Thus the light gets reflected away from the bubble around the outside, looking like a mirror. This is only along the outer circle in the direction you are looking.

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3. Name two structural differences you can see between the fungi on slides<br>​
Dmitry [639]

Answer:

A fungal cell is an eukaryote with all intracellular, membrane bound organelles. A bacterial cell is basically a prokaryote with a nucleoid. The cell wall composition also varies. It is a lipopolysaccharide layer called peptidoglycan layer in bacteria whereas cell wall of a fungal cell contains complex polysaccharides called chitin and glucans. Bacteria are either autotrophic or heterotrophic whereas fungi are strictly heterotrophic. Bacteria reproduces asexually by binary fission whereas fungi can reproduce either by sexual or by asexual method. Dormant form of fungal cell are called conidiospore or basidiospore or zoospore or ascospore based on their location in hyphae and type of reproduction. In bacteria, dormant forms are called endospores.

8 0
3 years ago
Where do valleys mainly form from?
Yuri [45]

Answer:

B.

Explanation:

most valleys are weathered by running water. Glacier can also weather these. Because of running water it will carry the weathered pieces away.

Have a nice day and give brainliest! :)

6 0
3 years ago
Which of the statements are true? Yeast cells that produce more unsaturated fatty acids than saturated fatty acids in response t
Feliz [49]

Answer:1)Yeast cells that produce more unsaturated fatty acids than saturated fatty acids in response to cold have greater cold tolerance

2)Cell membranes in reindeer legs (near the hooves) are kept flexible because they have a large number of saturated fatty acids.

3.)Cell membranes in cold tolerant winter wheat plants have a higher ratio of unsaturated fatty acids to saturated fatty acids than do cold intolerant wheat varieties.

Explanation.

Basically the longer the chains of fatty acids the higher the degree of energy produced as heat energy, and therefore the higher the insulation.

Unsaturated fats clogged together and the aggregate carbons and hydrogens ensured insulation.

5 0
3 years ago
In two or more complete sentences, explain the responses of vomiting and fever. Be sure to state the stimuli that cause the resp
Jobisdone [24]

Answer:

I am so sorry if this is too late but your answer is in the explanation.

Explanation:

Weakness and nausea are the responses of vomiting and fever. Because people tend to feel weak and uneasy after vomiting. Body temperature also increases resulting headache and body cramp.

       The stimulus that causes he response is coldness and weakness. And the purpose of the response of a fever is that it raises the body temperatures so that the bacteria and germs that causes the fever get kill or destroy that are sensitive to temperature changes.

8 0
3 years ago
In a population in which homozygotes (AA and aa) mate preferentially with individuals of the same genotype, which frequency will
uranmaximum [27]

Answer:

It will remain constant...

Explanation:

In accordance with the Mendel's law of segregation, independent assortment as well as Hardy-Weinberg Theorem., no matter what type of cross within the homozygotic characteristics takes place, the frequency of dominant and recessive will remain constant over the whole population even if selective breeding strategy is applied.

For example, the ratio for a single trait of allele will remain 3:1 for a whole population of large numbers

4 0
3 years ago
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