which human activity can have the greatest positive effect on the global climate change by helping to reduce the amount of carbon dioxide in the atmosphere?

C. Limiting internal combustion engines that power automobiles.

Explanation:

I majored in Chemistry.

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.