<span>Geothermal heat is produced by the core of the Earth itself. </span><span>The word "geothermal" comes from the Greek words geo, meaning earth,"
and therme, meaning "heat." People around the world use geothermal
energy to produce electricity, to heat buildings and greenhouses. </span><span> Geothermal energy refers to the heat trapped inside the earth.</span>
B shadows
The position of the sun in the sky casts a shadow on a properly placed sundial. This will give you time of day depending where the shadow falls.
Water and carbon dioxide are usually the most abundant gases emitted during basaltic volcanism.
<span>When wind and running water gradually decrease in velocity, the transported sediments are deposited over a period of time, and are sorted by size and density. This is because as the velocity decreases, sediments or rocks will accumulate resulting to variety of sizes and a change in density.</span>
C. Japan only uses renewable energy sources.