Question

Think back to your knowledge of the carbon cycle. Some human activities increase the levels of CO2 in the atmosphere. In which year does CO2 concentration seem to make a pivotal turn? What are some human activities that could have influenced CO2 levels in this period?

THIS IS SCIENCE NOT BIOLOGY

Answer 1

The CO2 concentration has been steadily increasing since 1880, but it took a sharp turn in 1940. The burning of fossil fuels for energy and the increase in demand for energy (cars, factories, manufacturing) could have contributed to the change.

Step-by-step explanation:

Answer 2

The years the industrial revolution started

Step-by-step explanation:

I feel like there is supposed to be a image or graph that is referenced to answer this question. However, carbon emissions started rising during the industrial revolution as people began to use more coal in inefficient ways.