Carbon dioxide concentrations in soil are ___than (as)in the atmosphere because____ .
A)lower;transpiration
B)lower;plant photosynthesis
C)higher;ongoing respiration in the ground
D)higher;decay of dead plants and animals
E)about the same;conditions in the soil and atmosphere are similar

Question

Quizplus · Accepted Answer

Soil typically has higher carbon dioxide concentrations than the atmosphere due to ongoing respiration by soil organisms and roots, which release CO2 as they break down organic matter.

Carbon Dioxide Concentrations in Soil Are ___Than (As)in the Atmosphere