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.
For a single axle converter dolly with a drawbar less than 88â, not as long as youâre buying a dolly that is counterweighted â not all dollies are. Single axle Silver Eagle dollies are designed with a tongue weight less than 85 lbs -- the maximum under TMC recommended practice. A common complaint of other brands is the effort required to