Author Question: Earth's stratosphere is heated primarily by which process? A) Convection from the Earth's ... (Read 81 times)

kwoodring · **on:** Jul 27, 2018

Earth's stratosphere is heated primarily by which process?

A) Convection from the Earth's surface.
B) Absorption of infrared radiation by greenhouse gases.
C) Absorption of visible light by ozone.
D) Absorption of ultraviolet radiation by ozone.
E) Atoms and molecules absorb infrared sunlight.

Question 2

The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because

A) Mercury is low in iron.
B) Mercury spins too rapidly to produce a stable dynamo.
C) it's still too hot for its core to have differentiated.
D) the dynamo theory predicted that Mercury was spinning too slowly for one.
E) Mercury lacks an iron core.