Help me if you know this pleas

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.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Is powdered sports drink ionic or covalent ? 10pts !