Answer:
Describe why the pyramid shape is used to represent energy, biomass, and numbers pyramids. The pyramid is used because it can represent energy available at every trophic level, and at each level everything gets smaller as you go up the pyramid. ... Autotrophs obtain energy from nonliving sources and are producers.
Explanation:
Valence of oxygen is negative two.
Answer:
True
Explanation:
Larynx is the area of the throat used for breathing, swallowing, and talking.
