The gases that make up 99% of Earth's atmosphere are
A) nitrogen and carbon dioxide.
B) oxygen and carbon dioxide.
C) oxygen and nitrogen.
D) oxygen and hydrogen.
C
Environmental & Atmospheric Sciences
You might also like to view...
Briefly describe the climatic variations that have occurred since the beginning of the Pleistocene epoch to the present day.
What will be an ideal response?
Environmental & Atmospheric Sciences
Workers in uranium mines have experienced extremely high incidence of
A. Strokes B. Skin cancer C. Emphysema D. Black lung disease E. Lung cancer
Environmental & Atmospheric Sciences
Mount Fuji is an example of:
a) Shield volcanoes b) Stratovolcanoes (or composite cones) c) Cinder cones (or scoria cones) d) Mud volcanoes e) Lava domes
Environmental & Atmospheric Sciences
In AMP, ADP and ATP the phosphate is linked to ribose through which carbon atom?
A) C-1 B) C-2 C) C-3 D) C-5
Environmental & Atmospheric Sciences