Chemosynthesis, I believe. Bacteria at the bottom of the ocean use this process for food.
Answer:Sclerenchyma
Explanation:Sclerenchyma is thick walled dead lignified cells, they are hard and elastic. The sclerenchyma cells are divided into two groups namely fibers and sclereids. Sclerenchymatous fibers are branched/unbranched, long, hard, pointed cells with tapering ends, thick walls, and narrow lumen.
Answer:
Oxygen.
Explanation:
Aerobic respiration occurs in the presence of oxygen.
The answer would be (C) i believe.