I have searched online and cannot find good information on this topic. From your knowledge of the Earth system and planets in our solar system:

I have searched online and cannot find good information on this topic. Please help!

From your knowledge of the Earth system and planets in our solar system:

• What is the likelihood/nonlikelihood that extra solar planet life exists?
• Base your response upon information about the atmosphere, hydrosphere, lithosphere and biosphere. Explain your answer.

The Earth System

The Sun's energy drives Earth's external processes.

• What would happen to global temperatures if the Sun's energy output increased by 10 percent?
• What effect would this temperature change have on: The percentage of water that exists asice? Surface vegetation? Atmospheric carbon dioxide?