help, please! The question is in the photo. I'm just really confused so if anyone could help, it would be great!

The biosphere of the earth is made up of what compound? organic or inorganic?

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved