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iris [78.8K]
3 years ago
5

SOMEONE ANSWER THIS PLEASE

Biology
2 answers:
prisoha [69]3 years ago
5 0

you got them correctly gods jod

Natasha_Volkova [10]3 years ago
3 0

Answer:

I believe it's A and B

Explanation:

Underground freshwater sounds drinkable and so does surface freshwater and they are both available for human consumption. Oceans on the other hand are not readily available to drink since they have so much salt. The water in our soil and air is hard to get meaning that it's not easily available for human consumption.

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Why is nitrogen fixation necessary?
Simora [160]

Answer:

C. Most plants use single nitrogen atoms, not N2 molecules.

Explanation:

6 0
3 years ago
A cell in the testes of a male bald eagle is getting ready to begin meiosis. The diploid number for this bird species is 66. How
Ostrovityanka [42]

Answer:

Replicated chromosomes at metaphase I = 66

Sister chromatids at metaphase I = 66 x 2 = 132

Sister chromatids at prophase II = 66

Chromosomes in each sperm cells = 33

Explanation:

Metaphase I of meiosis I would have 66 replicated chromosomes in the testicular cells of the bird. Each of the replicated chromosomes would have two sister chromatids. So, a total of 66 replicated chromosomes would have 66 x 2 = 132 sister chromatids.  

Due to segregation of homologous chromosomes towards opposite poles in anaphase I, each daughter cell formed by the end of meiosis I would have 33 replicated chromosomes. So, each of the daughter cells would have a total 33 x 2 = 66 sister chromatids at prophase II.  

Since meiosis II maintains the chromosome number, each sperm cell formed by the end of meiosis II would have 33 chromosomes.  

8 0
3 years ago
Explain human digestive system​
elena-s [515]

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5 0
2 years ago
In which type of environment might water soluble rocks such as limestone or dolostone become ridge formers?
Sergeeva-Olga [200]
I would say that the most likely environment for these two rock types to be ridge formers would be an arid climate like a desert where there was little water to dissolve. Also, even in a normal temperate environment, dolomite can form a very resistant ridge or cliff former as is the case with the Palliser Formation in Banff Park which forms a pronounced cliff which is very extensive.
8 0
3 years ago
Under which circumstances do plants take up water by osmosis?​
Allushta [10]

QUESTION:

Under which circumstances do plants take up water by osmosis?

ANSWER:

<u>The conditions necessary for occurring osmosis in plants</u>:–

  • Presence of a concentration gradient.
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  • Presence of a semi permeable membrane.

6 0
3 years ago
Read 2 more answers
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