Why is photosynthesis crucial to life on earth? A student replicates all the variables of the first experiment, except she puts the plant in a sealed jar without oxygen. How do you think that would effect her results?

Why is photosynthesis crucial to life on earth?
A student replicates all the variables of the first experiment, except she puts the plant in a sealed jar without oxygen. How do you think that would effect her results?

Based on the molecules involved in photosynthesis, what do you think would happen to the rate of photosynthesis if the carbon dioxide level in the lab was increased?