Question

What four substances are recycled during photosynthesis and respiration?

I’d come up with an answer but I’m confused...

Part b: What is one component in photosynthesis that is not recycled and must be constantly available?

Thank you.

Answer 1

Since this is not my area of expertise, I searched Google under the key words "<I>photosynthesis </I>" to get these possible sources:

https://www.google.com/search?client=safari&rls=en&ei=WnCiW9CFLIqS0gKm363QCg&q=photosynthesis+process&oq=photosynthesis&gs_l=psy-ab.1.0.0i71l7.0.0..20061...0.0..0.0.0.......0......gws-wiz.iZwBasG0SQc

http://www.hackcollege.com/blog/2011/11/23/infographic-get-more-out-of-google.html