Answer:
i think the first one, Kelp forest act as ecosystem engineers
Explanation:
if im wrong im sorry
Microbes. Bacteria, for example, convert nitrogen and carbon dioxide from the air into usable components that plants and animals can use as essential building blocks. A loss of all microbes would be terrible news for living organisms that can't create or take in these essential nutrients on their own.
Answer:
Right Atrium
Explanation:
ion really know but sounds like a
Right Atrium/Heart typo answer
Answer:
Tiredness. The person feels tired
Explanation:
If you eat too little, you may not obtain as much energy as you need. This will make you feel tired