Geothermal heat, is heat being pulled from the earth loop, creating warm air for us. Iceland uses geothermal heating for heat and electricity.
Hey There,
The answer to your question is option B) Between 200 and 500 million years old.
These rocks are younger than the Earth and also younger than rocks found on continents. (Those rocks are 4-5 billion years old.)
Best Of Luck,
- Kai -
no one would be able to help you because we can not see the chart
