Consider a student whose mass is 70. kg (he weighs 154. lb). If all his mass were converted to energy, this energy could light a 100. watt lamp for how long?
What will be an ideal response?
Question 2
Based on its distance from the Sun and the amount of sunlight absorbed by its surface, calculations predict the global average temperature of the Earth would be
A) exactly the same as it is measured to be today
B) below the freezing point of water
C) above the boiling point of water
D) close to the freezing point of water
The Mass of Impacts on Earth
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