Author Question: Approximately 95 of the Earth's crust is made up of A) oxides. B) phosphates. C) silicates. D) ... (Read 47 times)

Engineer · **on:** Jul 14, 2018

Approximately 95 of the Earth's crust is made up of

A) oxides.
B) phosphates.
C) silicates.
D) carbonates.

Question 2

Longwave radiation (+ LW) arriving at the Earth's surface

A) comes primarily from infrared energy emitted by the atmosphere.
B) comes directly from the Sun.
C) comes from diffuse solar radiation.
D) comes from UV radiation reflected from the bottoms of clouds.