Carbon dioxide currently has a concentration of__________in the homosphere.
A) 270 ppm
B) 315 ppm
C) 580 ppm
D) 400 ppm

Question

Quizplus · Accepted Answer

The current concentration of carbon dioxide in the homosphere is approximately 400 parts per million (ppm), which corresponds to answer choice D. This concentration has been steadily increasing since the Industrial Revolution due to human activities such as burning fossil fuels and deforestation.

Carbon Dioxide Currently Has a Concentration Of__________in the Homosphere