Describe how convection currents work. include where the heat comes from and why it goes in a circular motion.

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a. light in water b. light in vacuum c. sound in air. d. sound in water

The pacific islands that lie along tectonic plates may have volcanic activity are uninhabited may not have agricultural economies are located in the tasman sea