_____ Has Been Responsible for Around 50% of the Sea

Q34: NO₂ and CH₄ are important greenhouse gases

Q35: Between 1961 and 2003 mean sea level

Q36: Nitrogen and oxygen make up <50% of

Q37: _ can alter the surface albedo of

Q38: Thermal expansion can cause sea level rise.

Q40: The Earth's average climate is determined by

Q41: Plate tectonics has no effect on climate

Q42: The last glacial maximum ended _ years

Q43: Without this, the Earth would warm up

Q44: In the last century, human activities have