Multiple Choice
What percentage of the energy used to produce food for living organisms,and to heat the earth,comes from the sun?
A) 10
B) 29
C) 49
D) 79
E) 99
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q33: Feedback causes _ in a system.<br>A) change<br>B)
Q34: If a macromolecule was a brick wall
Q35: The atomic number is the number of
Q36: An organic compound is one that contains
Q37: A(n)_ is a set of components that
Q39: When an overwhelming body of observations and
Q40: What term describes the lack of system
Q41: Human events that affect the environment are
Q42: Which of the following is an example
Q43: What is a well-tested and widely accepted