Q1:What makes the life suitable on earth?
Q2:Name the processes in which oxygen ids consumed?
Q3:How Earth atmosphere retain oxygen?
Q4:How carbon dioxide is fixed in atmosphere?
Q5:For what purpose eukaryotes and prokaryotes needs Oxygen?

Dear student,
Please find below the solution to the asked query

​1. The atmosphere, water, optimum temperature, light and soil are the factors that make life possible on earth.
2. The processes in which oxygen is consumed are: combustion, respiration etc.

Kindly post rest of the questions in separate threads.

Hope this information will clear your doubts about the life on earth and processes that use oxygen.
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1. Atmosphere
2. Respiration
3. Photosynthesis
4. Bacteria and Lightning
5. Growth and for living
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