What is the amount of material making up an object? what instrument is used to measure it and what units are used to describe this measurement

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.

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?