Photosynthesis is a main means of fixing ________ in the ecosystem

A) benthos
B) oxygen
C) carbon dioxide
D) nekton
E) nitrogen


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

The daily temperature range is greatest in a:

a. rainforest b. savanna c. monsoon d. desert

Environmental & Atmospheric Sciences

Which of the following has a negative radiative forcing (i.e. cools the planet)?

A) nitrous oxides (N2O) B) carbon dioxide (CO2) C) Trichlorodifluoromethane (CFC-11) D) methane (CH4 ) E) stratospheric ozone (O3)

Environmental & Atmospheric Sciences

Which of the following is not true of chlorofluorocarbons?

A. CFCs role in depleting ozone has yet to be confirmed. B. They are used to make foam products. C. They have been used as propellants in spray cans. D. CFCs are stable under conditions at Earth's surface. E. They are used in refrigeration systems.

Environmental & Atmospheric Sciences

Because of temperature differences, the most plentiful terrestrial wavelengths are 20 times ________ than solar wavelengths

A) more powerful B) longer C) faster D) slower E) shorter

Environmental & Atmospheric Sciences