While driving along highway an unfortunate lovebug spatters onto your windshield. Which experiences the greater impulse?
A. Lovebug.
B. Car.
C. both the same
D. none of the above
Answer: C
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Which was not an incorrect assumption or estimated value made by geology professor John Joly to determine the 80 to 100 million year age of Earth based on the salinity of the oceans?
A) The salt content of river water through time. B) The volume of the ocean. C) The amount of ancient rock salt. D) The salinity of seawater.
When coal is burned to generate electricity, 70% of the primary energy in the coal is transformed into unused heat. This means that the energy conversion efficiency from chemical to electrical energy is ________
A) 70% B) 30% C) 0% D) 100% E) cannot be determined
Sedimentary rock may be formed from the shells of organisms containing calcium carbonate
Indicate whether the statement is true or false
An increase in cloud cover surrounding Earth would ____________________ Earth’s albedo, yet not necessarily lead to a lower Earth surface temperature
Fill in the blank with correct word.