Contributions to the ecosystem by the environment are in the form of:
a. N2, CO2, H2O
b. CO2, H2O, O2
c. Ar, H2O, O2
d. H2O, O2
e. CO2, O2
Answer: B
Contributions to the ecosystem by the environment are in the form of:
a. N2, CO2, H2O
b. CO2, H2O, O2
c. Ar, H2O, O2
d. H2O, O2
e. CO2, O2