The land surface cools off more rapidly at night than water does because
A) the energy is stored in a shallow layer near the surface of the land, and so it can be radiated away faster.
B) the amount of energy stored in the water column is less than that stored in land.
C) heat is transferred to deeper depths on land via conduction.
D) There is more ocean than land, so more ocean is being heated than land.
Question 2
About 50 percent of the 125,000 (30,000 ) of freshwater in lakes is
A) located in just seven lakes.
B) located in the 40 largest lakes.
C) saline.
D) in the Great Lakes.
Surface Features on Europa
Northern Lights on a Clear Winter Night
This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S
The Energy Sector
Renewable Energy Efforts
Land use change and forestry are responsible for 18% of global greenhouse gas emissions