Author Question: The sharp increase in global carbon emissions since 1950 most closely parallels the A) rise in pH ... (Read 106 times)

meagbuch · **on:** Jul 16, 2018

The sharp increase in global carbon emissions since 1950 most closely parallels the

A) rise in pH of the ocean over this same period.
B) size of the polar ice caps over this same period.
C) global surface temperatures over this same period.
D) increases in the speed of the Atlantic Ocean conveyor system over this same period.

Question 2

The sharp decrease in atmospheric 14C in the past decade is directly related to

A) a drop in global photosynthesis.
B) increasing methane levels.
C) decreasing temperatures in the troposphere.
D) increased use of in fossil fuels.