These algae process carbon through photosynthesis and pass it on to corals in the form of glucose, a sugar that provides the energy corals need
The only correct answer in this case is B - a stroke.
None of the other answers could be counted as correct here.
While A - a heart attack is conceptualy similar, when we're talking about a heart attack, we're talking about not enough oxygen that gets delivered to the heart - because something is blocking it.
C - hypertension on the other hand means someone has a higher blood pressure than is usual for a regular human being, which puts more strain on his cardiovascualr system.
and D - atherosclerosis doesn't come even close to be correct :)
When your body turns your food into energy it can heat your body which is called cellular respiration. Not sure if this is what you were looking for?
