Fossils are often the hard parts of once-living things. But an organism’s soft parts can also be preserved. Which materials can preserve soft parts? Select all the answers that apply. A. ice B. amber C. sand D. rock

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?

For the following, determine the type of reaction and then give products.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as