Answer:
Transparent, translucent, and opaque.
Explanation:
Transparent, translucent, and opaque are the three categories of materials that has a relation with transmitted light. Transparent objects are those from which the light passes through e.g plastic, water etc while on the other hand, translucent objects are those from which some of the light pass through e.g sunglasses and wax paper etc and opaque objects are those from which no light can pass through their body e.g wood and metal etc.
Humans have approximately 24,000 genes, but fruit flies are not far behind, with approximately 14,000 genes.
A target cell respond to a hormone because it bears receptors
Nonpoint source so your answer would be B.