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Ksju [112]
3 years ago
7

Life would not be possible If it wasn't for nitrogen cycle because.....

Biology
1 answer:
Neporo4naja [7]3 years ago
7 0
Nitrogen is an important part of our bodies. Amino acids all contain nitrogen and these are the building blocks that make up the proteins in your hair, muscles, skin and other important tissues. Nitrogen is an important part of your DNA, which defines what you are like in many ways.
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How do earthworms get oxygen to their cells?
Ksju [112]

They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe.

If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm's circulatory system, and the worm's hearts pump the oxygenated blood to the head area.

7 0
3 years ago
Mary lou's cancer began in her skin and then spread to her liver and brain. what type of cancer does mary lou likely have?
mestny [16]

Melanoma is the type of cancer Mary Lou had, Sunburns in adulthood assume to be the mostly associated with melanoma. Melanoma, the most severe type of skin cancer, develops in the cells (melanocytes) that produce melanin — the pigment that gives your skin its colour. Melanoma can be also apear in your eyes and, rarely, in internal organs, such as your intestines.

6 0
3 years ago
A cone has a volume of 7,560 cubic millimeters . what is the volume of a similar come that is one sixth size of this cone?
IRINA_888 [86]
Answer: 1,260 cubic mm

(1/6)(7,560) = 7,560/6 = 1,260
multiplying by 1/6 is the same as dividing by 6 (6 and 1/6 are reciprocals)

6 0
2 years ago
Read 2 more answers
HELP PLS I WILL GIVE LOTS OF POINTS pls answer good and i will give brainliest and give more points if its correct
Fofino [41]

Answer: .374 and .626

Explanation:

5. total number of alleles = 4712 + 2816 = 7528

       frequencey of B allele = B allele / total number of alleles --> 2816/7528 = 0.374                

             

6. total number of alleles =  4712 + 2816 = 7528

   freq of b allele = b allele/total number of alleles --> 4712/7528 = 0.626

We can confirm our answer as correct because if we add up the answers to 5 and 6 we should get one:

0.374 + 0.626 = 1

6 0
3 years ago
Cells in the human eye send nerve impulses to the brain that cause the pupil to constrict. this is an example of a reaction to w
hoa [83]
A. chemicals, the constriction of the pupil are usually caused by opiates anti-hypertension drugs.
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3 years ago
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