Which effect does deforestation have on the carbon cycle?
a.)decreased co2 in the atmosphere
b.)increased co2 in the atmosphere
c.) increased ozone in the atmosphere
d.)decreased decomposition of carbon

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

In which of the following relationships is one organism always benefited while the other organism is always harmed