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Zinaida [17]
3 years ago
13

7. Explain why we have 4 seasons.

Biology
1 answer:
Juliette [100K]3 years ago
4 0

Answer:

The four seasons happen because of the tilt of the Earth's axis. At different times of the year, the sun's rays hit different parts of the globe more directly. The angle of the Earth's axis tilts the Northern Hemisphere towards the sun during the summer.

Explanation:

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Where do salmon live until they reach a certain age before adulthood?
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the ocean

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The salmon, for example, migrate downstream to the ocean, where they live until adulthood. When they are mature, the fish return to their birthplace to reproduce. When they return, they are captured and harvested.

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Proteins are made from what subunits?
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Protein is made up of subunits and each subunit is made up of polypeptides molecules . Called Amino acids .
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Zielflug [23.3K]

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Because salt is soluble in water, salt applied to such surfaces dissolves. Liquid water has what is known as a high dielectric constant, which allows the ions in the salt (positively charged sodium and negatively charged chlorine) to separate.

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3 years ago
How many homologous chromosome alignments are possible for independent assortment during meiosis?
ad-work [718]

Answer

Two alignments.


Two alignments are possible for independent assortment during meiosis.

Explanation;

-According to the independent assortment ; when two or more characteristics are inherited, individual hereditary factors assort independently during the process of meiosis.

-This results to different traits having an equal opportunity of occurring together.

-It means that during meiosis, the pairs of homologous chromosome are divided in half to form haploid cells, and this separation, or assortment, of homologous chromosomes is random.

3 0
3 years ago
Read 2 more answers
Cellular respiration takes place primarily in organelles called mitochondria. Some textbooks claim that "Mitochondria make the e
tigry1 [53]
Actually, the mitochondria does not MAKE the energy, it just makes it usable to the cell! It is through cellular respiration that this can take place. 

Thank you for the opportunity to respond to you, and I hope this helped. I wasn't exactly sure what you were asking... if you would like more help, I would be more than happy to assist you!!! 
8 0
3 years ago
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