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aliya0001 [1]
3 years ago
11

Plz help me well mark brainliest if you are correct!

Biology
2 answers:
julsineya [31]3 years ago
5 0
The answer would be all of the above.
Harman [31]3 years ago
5 0

Answer:

All of the above.

Explanation:

Because natural resources cannot be human-made.

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If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.
Likurg_2 [28]

Answer:

10%

Explanation:

Chargaff postulated the complementary base pairing rule, where he stated that in the DNA molecule, Adenine (A) will always pair with Thymine (T) and Guanine (G) with Cytosine (C) i.e. A-T, G-C

Chargaff stated that the concentration of purines (Adenine and Guanine) is always equal to that of pyrimidines (Thymine and Cytosine) i.e. {A} + {G} = {C} + {T}

These equal concentration equals 100% in totality i.e. A+G+C+T= 100%

Thymine pairs with Adenine, if there is 40% of Thymine in the DNA molecule, it means there will be 40% of Adenine also. 40 + 40 = 80%. This leaves us with 100-80 = 20% for Guanine and Cytosine.

Since there will be an equal amount of Guanine and Cytosine too, Guanine will therefore, be 20/2 = 10%.

That is, 10% Guanine, 10% Cytosine.

8 0
3 years ago
Explain How rock composition affects the rate of weathering
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One of the factors that affects the rate of weathering is exposure to the atmosphere. ... Another factor that affects the rate of weathering is the composition of rock. Rocks are composed of minerals, which are solid substances found within rocks that have their own distinct chemical composition.


3 0
3 years ago
As the population of small fish in a lake decreases, the population of large fish that depend on the small fish for food will __
Paul [167]
Its This One: <span>decrease in number</span>
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What is the typical order in which insects begin to arrive on human remains?
Vinil7 [7]
The typical order in which insects begin to arrive on human remains is blowflies, beetles, maggots, wasps, ants, and spiders. I hope that this is the answer that you were looking for and it has helped you. Have a nice day.
5 0
3 years ago
In the family pedigree the majority of individuals that are colorblind are which gender? This is a good indicator that colorblin
irakobra [83]

Answer:

The 'gene' which causes (inherited, red and green types of) colour blindness is found only on the X chromosome. So, for a male to be colour blind the colour blindness 'gene' only has to appear on his X chromosome. For a female to be colour blind it must be present on both of her X chromosomes.

Explanation:

4 0
3 years ago
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