describe how a cell acquires the O2 the cell needs for its metabolic processes and how a cell gets rid of the CO2 that is doesn’t need and can actually be harmful to the cell.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures