Answer:
pollution is the introduction of harmfull material in the invironment called pollution
Answer:
Its iii
Explanation:
Answer:
A gene is a section in the chromosome or DNA and the alleles is the sequence.
Explanation:
The gene determines a specific trait. An allele represents the different variations and alternatives that could be passed on.
There are two types of photoreceptors in the human retina, rods and cones.
Answer:
a maybe correct me if im wrong
