Multiple Choice
The main natural source of phosphorus is ____.
A) Earth's crust
B) fertilizer
C) guano
D) legumes
E) water
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q49: The Lake Erie ecosystem was affected by
Q50: What is the relationship of food webs
Q51: Energy losses are multiplied in successive energy
Q52: The overall ecological efficiency of most organisms
Q53: Biological magnification is best defined as _.<br>A)
Q55: Why is the productivity poor in the
Q56: What was one of the primary results
Q57: What is thought to be responsible for
Q58: Most available carbon is present as _.<br>A)
Q59: Zooplankton eating phytoplankton almost as soon as