is the amount of matter in an object and is measured in kilograms. A. Mass
B. Gravity
C. Newton
D. Weight

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

Are the earth's ocean floor and continents the same age geologically? why or why not?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what