The answer is A!
Ron is showing an invalid experimental placebo in this experiment due to the positive response.
goodluck, :)
Answer:
C.
Explanation:
Every DNA nucleotide pair will consist of one pyrimidine and one purine. Due to the chemical structures of the different bases, adenine (A) will always bind with thymine (T) and guanine (G) will bind with cytosine (C). The same is true for RNA except that A always pairs with a close relative of thymine, uracil (U).
It results in the a narrowing of the arteries which slow blood flow
<span>The birth of more offspring than can survive.</span>
I believe it’s the sun
As the sun gives nutrients to the plant
Plant gets satin by animal
Animal gets eaten by animal and so on and the nutrients would be passed on