A skydiver has a mass of 50.5 kg. What is the force of weight on the skydiver? F = [?] N

How does concentration affect reaction rate

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.

Sand is more likely than shale to preserve fossils. true false