Most grapes are harvested when their sugar content is the highest?

True
False

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

20 the compound al(nh3)2 has atoms of nitrogen.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups