61) producers use energy from the sun to create or usable chemical energy. a) fat b) glucose c) protein d) starch

Andesitic rocks have mineral compositions between those of and basaltic rocks. a. conglomerate c. granitic b. metamorphic d. organic select the best answer from the choices provided a b c d i need asap

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?