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.
Yeah budtoker, you're just getting fat sacks. An 1/8th weighs 3.5 grams, that's a fact, if you do the conversion, an 1/8 of an ounce is 3.54......grams (it's a repeating decimal). Now, that's without the bag. Your average bag will weigh 1 gram (that's a non-ziplock, just normal bag).So, 3.5+1=4.5 grams.Looks like you're getting an extra half a gram in your eighths, at least.ow, that's without the bag. Your average bag will weigh 1 gram (that's a non-ziplock, just normal bag). So, 3.5+1=4.5 grams. Looks like you're getting an extra half a gram in your eighths, at least.