Which element, when combined with phosphorus, would form an ionic compound? A) Carbon.
B)Oxygen.
C)Magnesium.
D)Boron.

Amount of liquid measured in l or lm

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles