Photosynthesis: How planet Earth turned green

Link:http://www.newscientist.com/home.ns

Summary:Questions:Photosynthesis
1.)What is the chemical equation for photosynthesis?6 H20 + 6 CO2 --> C 6 H 12 O 6 + 6O2

2.)What organelles are involved in this process? chloroplasts

3.) List three things you learned from this article in your own words.
1a.That photosynthesis is a vital process in living things on Earth.
2b. Photosynthesis was involved in the formation of Earth.
3c. The Earth was covered with ice before photosynthesis interferred.

4.)What impact would the absence of this process have on the biosphere? The Earth would have limited oxygen supply.