Which greenhouse gas do humans release into the atmosphere the most?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere