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.
Answered by The Community. Making the world better, one answer at a time. An 8x8 picture is eight inches by eight inches. To get an idea of what eight inches looks like college rule notebook paper is eight inches wide.nswered by The Community. Making the world better, one answer at a time. An 8x8 picture is eight inches by eight inches. To get an idea of what eight inches looks like college rule notebook paper is eight inches wide.