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Mumz [18]
3 years ago
14

Methane is a(n) gas. Excess of methane in the atmosphere will lead to .

Biology
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

Increased greenhouse effect

Explanation:

The methane is a gas that falls in the category of ''greenhouse gases''. It is actually the most effective ''greenhouse gas'', much more effective than the CO2, though it has to be mentioned that that is on the short run. Basically, the methane has a property that enables it to trap the heat into the atmosphere. When the heat is reflected from the surface of the Earth it moves back toward the space, but the methane manages to trap big portion of that heat, resulting in an increased greenhouse effect across the globe.

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D) a scientific journal about chemistry and a biography of a famous chemist

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An organism's genome is analyzed and found to contain 18% guanine. What percentage of that organism's DNA is adenine?
Oxana [17]

Answer:

32%

Explanation:

According to Chargaff in his complementary base pairing rule, he stated that the proportion of purine and pyrimidine bases is equal to 100%

That is, A + T + G + C = 100%

Where A=T and G=C i.e the proportion of each base pair is equal.

Hence, if the Guanine content is 18%, it means the Cytosine content of that DNA molecule must also be 18%. Therefore:

18 + 18 + A + T = 100

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A + T = 64

If the sum proportion of Adenine and Thymine is 64% and each must contain equal proportions, A or T = 64/2 = 32

Hence, Adenine contains 32%, likewise Thymine.

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What is periderm and protoderm and where do they originate from in a new plant ?
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