Pangaea is important because it was all the continents in one giant land mass surrounded by water. When the plates shifted and broke apart we got the seven continents we know today. <span />
Answer:
1 joule = 0.737 foot-pound
Joule is the unit of work.
1 J = 1 N·m
In SI units
1 J = 1 kg· m/s²
0.737 foot-pound is the amount of work to raise 0.737 pounds one foot or raising one pound to 0.737 ft.
Maybe around 350 years, depending on the carbon cycle and the time taken through steps.