an oil tanker took 7.2 hours to travel from city A to city B at an average speed of 60mph. if a passenger boat took 1.8 fewer hours than the oil tanker to complete the same journey, what was the average speed of the passenger boat?

that would be because of both gravity and friction. so     c

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

technology is the application of the knowledge gained by science.