A crane drops a rock 44.1 m to the ground. How much time does it take for
this to happen?

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

Which of the following is the best name for mgcl2

Which describes increasing the efficiency of energy resource