Two descriptions for a sub-atomic particle are listed below: description 1: revolves around the nucleus of the atom description 2: has the least amount of mass which sub-atomic particle or particles fit these descriptions? electrons only protons only electrons and neutrons protons and neutrons

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?

Nh3 +02-no + h20 is unbalanced what is the balanced equation

What is responsible for the uneven heating between the poles and the equator on any given day