Answer:es la b
Explanation:por que los homungulos no hacen parte e de eso
From simplest to most complex it would be atom, molecule, cell, tissue, organ, organ system. Hope this helps!
Answer:
Proteins are broken down by the enzymes pepsin and peptidase, and by hydrochloric acid. Lipids are broken down by lipases.
Thin layer of decaying organic matter is found. Years of weathering washed most of the nutrients away.