How do trees counteract global warming?
A) They are carbon sinks, taking carbon dioxide out of the air.
B) They shade Earth's surface.
C) They produce oxygen.
D) They transpire water vapor into the air.
A
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In which of the following orders of measurement are the lengths of longwaves in the middle and upper troposphere usually described?
A. tens of km B. hundreds of km C. thousands of km D. millions of km
Studies of ocean-floor sediments are of little use when studying long-term climate change
Indicate whether the statement is true or false
The term water of hydration is applied to which to which of the following?
A) water molecules required to dissolve a solid B) water molecules associated with ions in solution C) water molecules associated with a salt in the solid state D) none of the above
Explain why the Kelvin temperature scale is also called the absolute temperature scale
What will be an ideal response?