A unicellular organism has:

A. one cell
B. a great many cells
C. very few cells

What type of reaction is zn + cucl2 → cu + zncl2?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

The sum of the oxidation numbers in a neutral compound is always