After measuring the mass of water, the data is averaged and it is determined that the mean of 4 measurements is 122.4 g with a standard deviation of 1.3 g. How many significant figures are in
the mean value based on the standard deviation?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

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.