Which of the following best defines heat capacity?
A) The amount of heat energy required to raise the temperature of a substance by 1 degree Celsius.
B) The direct measure of the average kinetic energy of a substance's molecules.
C) The energy needed to break the intermolecular bonds that hold molecules in place.
D) The energy transfer from one body to another due to a difference in temperature.
E) Weak interactions that become significant when molecules are very close together.
Question 2
Judge the following sentence according to the criteria given below: Ancient marine phosphate deposits that have been uplifted onto land are extensively mined BECAUSE they are valuable as fertilizers.
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
Easter Island—an example of Carrying Capacity Overload
Historical U.S. Energy Use
Jet streams and Earth’s heat budget
Canada's energy stream
Global energy imbalance ~0.75 Wm-2
Water shortages, reduced agricultural capacity & coastal inundation are common themes