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astra-53 [7]
2 years ago
9

Which is most likely a source of air pollution? littering CFCs oil spill runoff

Biology
1 answer:
bonufazy [111]2 years ago
9 0
The answer to this question is CFSs
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Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is ca
Ne4ueva [31]
DNA = thymine, Guanine , adenine and cytosine .

RNA = thymine ,uracil,guanine ,cytosine
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3 years ago
Question 3<br> Which of the following statements about environmental changes is true?
Serggg [28]

Answer:

The options are

A) they may affect several populations in an ecosystem

B) they cannot be caused by human activity

C) they affect food chains but not food webs

D) They have no effect on living organisms in an ecosystem him

The answer is A) they may affect several populations in an ecosystem

Explanation:

Environmental changes include deforestation and climate changes. Organisms depend on their habitat and climatic conditions for their survival because it determines their food availability too.

When environmental change occurs they may affect several populations in an ecosystem.

8 0
3 years ago
36. What metabolic pathway is depicted below?
Yakvenalex [24]

Answer:

Anaerobic respiration or fermentation

Explanation:

The metabolic pathway shown in the question is the summary of anaerobic respiration (fermentation) during which pyruvate is converted to acetaldehyde, followed by the formation of alcohol (ethanol), along with the release of NADH and NAD molecules. This mechanism occurs in the absence of oxygen and is thus used by organisms to generate energy (ATP) molecules.

8 0
3 years ago
Help me find the answer plz​
Bogdan [553]
I can find the answer it’s prob under the table
4 0
2 years ago
The main advantage of solar energy is: A. It is low in cost. B. It can be used all the time. C. It has very little pollution. D.
Dmitrij [34]

C.  Solar energy's whole purpose it to reduce pollution in the air that fossil feuls do not. The answer cannot be A. B. or D. because 1. it is expensive 2. it can only be used during the daytime. It is a SOLAR panel. and 3. like is said earlier it is not free.


4 0
3 years ago
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