Scientists discover a fossil from 65 million years ago. Which method of dating should they use to find its absolute age?

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.

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

What maintain homeostasis when a persons internal body temperature is 97.5°f