The auroras are caused by charged particles originating from ____
A) Earth's atmosphere
B) solar wind
C) the North Pole
D) the South Pole
B
Environmental & Atmospheric Sciences
You might also like to view...
The dispersion of pollutant material into the atmosphere depends on the wind and the ________ of the air layer
A) depth B) stability C) temperature D) visibility E) pressure
Environmental & Atmospheric Sciences
Where was North America 150 million years ago?
A. closer to Africa and South America B. next to Antarctica C. over the south pole D. next to Australia E. None of these.
Environmental & Atmospheric Sciences
Which of the following is a secondary messenger?
A) cAMP B) estradiol C) vasopressin D) none of these
Environmental & Atmospheric Sciences
The single factor ________ most strongly predicts the NPP of terrestrial ecosytems
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences