Which law states that, in chemical reactions, the total mass of reactants must equal the total mass of the products?

conservation of molecules

conservation of energy

conservation of mass

conservation of elements

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.