What events caused the formation of most islands in the south pacific?
a) earthquakes
b) hurricanes
c) meteors
d) volcanoes

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *