Question

Which human activities have contributed to an increased abundance of carbon in the atmosphere?

a) producing concrete
b) burning fossil fuels
c) cutting forests and clearing land
d)All of the above

Carbon moves between the atmosphere and the surface of the ocean by the process of.....
a) condensation
b) precipitation
c) transfusion
d) diffusion

When oceanic organisms die,they decompose and become carbon-rich organic matter that deposits on the ocean floor through a process called_______?

a) condensation
b) transpiration
c) sedimentation
d) diffusion

Answer 1

1. D) all of the above

2. D) Diffusion

3. C) Sedimentation

I took the quiz and got these right, hope this helps :)