The answer is D.
An endothermic reaction involves absorbing heat whereas an exothermic involves releasing heat.
Answer:
I think that it's A.
Explanation:
It's not D, because A & C contrast each other.
The different forms of a gene are called alleles
They interact with light to absorb only certain wavelengths, pigments are useful to plants and other Autotrophs, organisms which makes their own food using photosynthesis. in plants,algae,and Cyanobacteria, pigments are the means by which energy of sunlight is captured by photosynthesis.
