List some reasons the numbers for proven reserves of various fossil fuels might not be entirely accurate.

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

a. vertically

explanation:

i tried it and took the test

if im wrong then we have different tests