Which of the following would occur if all photosynthetic processes on Earth were to cease?
A) Carbon dioxide levels in the atmosphere would increase, and oxygen levels would decrease.
B) Carbon dioxide and oxygen levels in the atmosphere would decrease.
C) Carbon dioxide and oxygen levels in the atmosphere would increase.
D) Carbon dioxide levels in the atmosphere would decrease, and oxygen levels would increase.
A
You might also like to view...
The dry slot is associated with the ____________________ ____________________ belt
Fill in the blank(s) with correct word
What is the main concern with regard to hormone blockers, and where do they come from?
What will be an ideal response?
The recurrence of drought as conveyed through the return period is expressed as
A. (magnitude of a specific rainfall event) / (duration of the rain event). B. (rank for a specific precipitation event) / (number of years of record). C. (duration of the rain event) / (magnitude of a specific rainfall event). D. (number of years of record) / (rank for a specific precipitation event).
Which of the following is a common type of intrusive igneous rock?
a. sandstone b. basalt c. shale d. marble e. granite