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.
A Mitochondrion Converts Energy from Fuel Molecules into ATP
Solar energy heats the atmosphere, creates seasons, and causes air to circulate
The meridional transfer of energy
Who's Policing the Food Supply?
Food jags
Animated The one-way flow of energy and cycling of materials in the world of life