15. Which of the following statements about growth rate of the human population is true? (PICK ONE)
A) It varies from country to country.
B) It is lower in less-developed countries.
C) It is higher in developed countries.

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Most of the carbon on earth is stored in the form of