Too much Carbon Dioxide in the atmosphere is a bad thing. However, too little is also bad. Explain why it is important
for Carbon Dioxide to always exist in the atmosphere. Give specific examples of what it is used for to support your response.

CO2 is an evil necessary element. co2 is needed for our survival. we need food for survival and food is produced by the plants through photosynthesis. for photosynthesis to take place co2 is one of the vital element. so no co2,no photosyntheseis maeans no food. no food no one will survive.

14 days is the half-life of phosphorus-32