Author Question: On a world-regional basis, parent materials cause stronger and larger variations in soil ... (Read 98 times)

j.rubin · **on:** Aug 7, 2018

On a world-regional basis, parent materials cause stronger and larger variations in soil characteristics than do climate and the associated plant communities.
Indicate whether the statement is true or false

Question 2

In a systems model, movement of energy or matter into the system is a(n) ____.
a. subsystem
b. output
c. input
d. closed system
e. equilibrium