The ring of fire is a string of volcanic sites in the pacific ocean that stretches between the americas, asia, and australia. what is the most likely cause of this volcanic activity?

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.

When analyzing tree rings, what do scientists assume a thin ring indicates?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell