The oldest oceanic crust is slightly less than _________ years old
a. 300,000 d. 180 million
b. 4.6 billion e. 3.96 billion
c. 70,000
D
Environmental & Atmospheric Sciences
You might also like to view...
What is the minimum mapping unit?
What will be an ideal response?
Environmental & Atmospheric Sciences
Only blue and green wavelengths pass through water in any appreciable quantity or distance
a. True b. False
Environmental & Atmospheric Sciences
Lake effect precipitation is caused by:
A) wind blowing over a frozen lake surface. B) wind blowing over an unfrozen lake surface. C) a land breeze. D) orographic effects only. E) none of the above
Environmental & Atmospheric Sciences
What are the different layers, or horizons, that compose a soil profile? What makes each one distinct from the others?
What will be an ideal response?
Environmental & Atmospheric Sciences