Answer:
i believe C
Explanation:
the layers propose a volcanic eruption along with the crystals such as how an agate forms.
Answer:
b
Explanation:
b is the nucleus and it contains the dna
Commentulism: one organism has benifit, other no affect.
Mutualism: both organisms have benifit.
<span>Answer: 16 combinations
A fruit fly has four pairs of chromosomes in its cells. Assuming all pair is heterozygotes, each pair of the chromosome can be divided into two possible combinations. So, if there are 4 pairs then the possible combination would be 2 * 2 * 2 * 2= 16 possible combinations.</span>
