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.
3Mâ¢ VHBâ¢ Structural Glazing Tapes for static tensile of shear loads (such as dead weight loads, snow loads and other long term loads) uses a design strength of 0.25 PSI (1.7 kPa). To provide a safety factor of at least five 4 in 2 of tape per pound of load must be used to support static loads.