3. Why do we see more organisms with adaptive traits in a population over time? a. Organisms with adaptive traits are able to survive and reproduce
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b. Organisms with adaptive traits survive and don't die
c. Organisms do not need adaptive traits to survive
d. All organisms have adaptive traits

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