The answer could possibly be letter B which is Erosion
<span>If you google your question this comes up - Name the four classes of carbon-containing molecules used by living things, and explain how the nitrogen and carbon cycles contribute to the usable supplies of these macromolecules. The carbon-containing (organic) macromolecules necessary for life are proteins, carbohydrates, lipids and nucleic acids.</span>
Just took the quiz the answer is
b. food abundance
Answer:
B
Explanation:
Bis the answer your welcome
Answer:
the roots are weak
Explanation:
because it can’t hold its weight