Which functional group does the molecule below contain? A. Amino B. Carbonyl C. Hydroxyl D. Ether ​

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?