Which of the following statements about Newton’s 3 rd Law is true? A. An action force is always greater than its reaction force. B. Every action force has an equal reaction force. C. Not all action forces have reaction forces.

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

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