Question

Which other data does Karin need to collect?
(a) Data about the origin of the four gases.
(b) Data about the absorption of the four gases by plants.
(c) Data about the size of each of the four types of molecules.
(d) Data about the amounts of each of the four gases in the atmosphere

Answer 1

Answer:

I think it's (d)

Explanation:

Data about the amount of each of the four gases in the atmosphere.