Answer:
The blood vessel from lungs to heart is pulmonary vein which carries oxygenated blood.
Because they supply much energy to the food by preparing their own food because the above one can't prepare it own their own
Not 100% sure here but from what I remember I think it is called osmosis... It is if the water is leaving or entering the cell.
<span>Molten material found in the bottom of seafloors indicated underwater eruptions that formed new areas of the seafloor was presented as evidence for seafloor spreading. Due to earths magnetic polarity and its tendency to switch, iron present on the sea floor contained a magnetic record of sea floor expansion progress. Finally, drilling samples obtained in the seafloor indicated the deeper samples of were significantly older than the shallower samples that were brought up.</span>
