An average person might consume 2,000 Kilocalories of food in one day.
This is enough energy to heat up how many 2-liter bottles of liquid water from 0 degrees Celsius to 100 degrees Celsius (just reaching the boiling point of water, but not turning the water into steam)? A) 1 2-liter bottle
B) 5 2-liter bottles
C) 10 2-liter bottles
D) 20 2-liter bottles
Question 2
Enrichment of nuclear fuel
A) increases the relative concentration of uranium-235 to only 3 to 5 in order to avoid any possibility nuclear explosion at higher percentages.
B) increases the relative concentration of uranium-235 to 30 to 50 in order to avoid a nuclear explosion at higher percentages.
C) decreases the relative concentration of uranium-235 from 60 to only 3 to 5 in order to avoid a nuclear explosion at higher percentages.
D) decreases the relative concentration of uranium-235 from 100 to 30 to 50 in order to avoid a nuclear explosion at higher percentages.
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