How and why does air pressure change with altitude in the atmosphere?

When you cross a time zone going east what happens to the time

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.

England is a small country. why is english spoken in so many places worldwide? a. england colonized many places throughout the globe. b. the english language is the easiest language to learn. c. england is located near the prime meridian, making it a popular tourist destination. d. because england is an island nation, it has had many visitors.