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laiz [17]
3 years ago
14

What percentage of nitrogen does our atmosphere contain?

Biology
1 answer:
alekssr [168]3 years ago
5 0
Earth's atmosphere is 78%<span> nitrogen </span>21%<span> oxygen, </span>0.9%<span> argon, and </span>0.03%<span> carbon dioxide with very small percentages of other elements.
hope it helps</span>
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Four reasons why the indigenous tuli breed would be superior to exotic breeds
den301095 [7]

The following are the reasons why the Tuli breed would be superior to exotic breeds:

 

Tuli breed was augmented in Zimbabwe.<span>
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Cross-breeding is suitable for the Tuli breed.</span>
Surviving in harsh climatic conditions are Tuli’s assets.</span>

Tuli’s yield is very high.

<span>Sustaining the arid climate is their forte.</span>

3 0
3 years ago
How are fruits and vegetables made available in the off season
Aneli [31]

Answer:

They can preserve food in the cans, in the refrigerator and make them frozen, in the green houses to preserve them in the off season.

This is all how you can preserve food in the off season.

<h3>Hope this helps.</h3><h3>Good luck ✅.</h3>
6 0
2 years ago
Most of the enzymes used as molecular scissors are known as restriction enzymes. What is the reason for this name? A. They cut (
Triss [41]

The answer is A restriction enzymes cut DNA at specific regions.

5 0
3 years ago
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For a gene that determines wing color in butterflies, there are three possible genotypes: BB (blue wings), bb (white wings), and
Oduvanchick [21]

Answer: The frequency of the b allele is calculated as follows: since there are 2 alleles in each organism, total number of genes is 200. The number of white alleles is 10*2+30 (since there are 2 copies of the alleles in white organisms and 1 copy of the b allele in the white wings with blue blotches). So the total number of white alleles is 20+30=50 white alleles. The frequency of the white allele is then 0.25. So the frequency of the blue allele is 1-0.25=0.75. Since heterozygous term is 2*p*q, the frequency of the Bb genotype is 2*0.25*0.75=0.375. Hope that helped!

3 0
3 years ago
What kingdom does it most likely belong in
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What kingdom does what most likely belong in? We need some more information. :)
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4 years ago
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