Please help me connect the word, the word is in the box, I need ASAP

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

What are genotypes? what are phenotypes?