Greenhouse climate on earth was associated with relatively high atmospheric levels of which gas? a. nitrogen b. water vapor c. oxygen d. carbon dioxide

The location of the stomach is the diaprham

Matched chromosomes carrying information about the same characteristics in the organism are called

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit