DUMB ANSWERS WILL BE DELETED explain earth rotation and how days and nights are shifted

Urea, co(nh2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. what is the maximum mass of urea that can be manufactured from the co2 produced by combustion of 1.00 x 104 grams of co2?

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block