For photosynthesis, plants need water, carbon dioxide, and sunlight (or photons). The water provides electrons, the sunlight provides the energy, and CO2 provides a carbon sou â¦ rce.
Trick question! A single sheet of OSB weighs about 1.5 lbs per sf or 47 lbs, assuing you are asking about 7/16 thick, not 716.One sheet of plywood weighs a bit more.he weight of treated plywood will depend on the size of the  plywood. A 4 x 8 1/2 inch piece of treated plywood will weigh an  estimated 50 pounds.
NEW! Weight: 5.9 lbs Eastman K4 Carbon Fiber cello case is newest addition to their line of hard cases. The K-4 is carbon fiber, not a Hybrid. It weighs in at 5.9 lbs only available without wheels A full carbon fiber cello case with more room inside for larger cellos and tight waterproof seal.EW! Weight: 5.9 lbs Eastman K4 Carbon Fiber cello case is newest addition to their line of hard cases. The K-4 is carbon fiber, not a Hybrid. It weighs in at 5.9 lbs only available without wheels A full carbon fiber cello case with more room inside for larger cellos and tight waterproof seal.