Last question for my quiz, question is the picture. If anyone can help me that will do.

What best explains the inability for life to exist in earth early atmosphere

Which of the following forest management practices is best for reestablishing areas of forest?

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