Answer:
Water transports nutrients and waste.
Explanation:
Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.
Our solar system is heliocentric, which means everything revolves around the sun. Geocentric would mean everything revolved around the earth.
The answer is A - Myanmar (formerly Burma). It's the largest river in this territory (1348 miles long) and also the most curcial waterway for commercial use. Sometimes it's also called "The Road to Mandalay".