2. Active transport moves from low concentration to high
concentration
I

Easy definition for atom and atomic mass

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted