The answer is red blood cells
Heat from the sun makes it through near the Antarctic (where the hole is) is melting the ice and not allowing some key species to feed. seals don't have ice to come up for air through like normal so polar bears starve. loss of land means less food for a lot of species because the hunting grounds is closing and there is no room to expand.
<span>The light reaction of photosynthesis produces oxygen and ATP.</span>
Groundwater is recharged naturally by rain and snow melt , hope this helps :)
