If a drum skin vibrates with a frequency of 100 Hz, how many times does it move up and down each second? ( Chemistry )​

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction

Select all the correct answers. which compounds have the empirical formula ch20? (multiple answers)a. c2h4o2b. c3h603c. ch2o2d. c5h1005e. c6h1206

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.