I’m pretty sure it’s c but I might be wrong
Answer:a is the answer Your welcome:)!
Polar substances .
u havent given any option
Geothermal energy comes from the heat within the earth. The word "geothermal" comes from the Greek words geo, meaning earth," and therme, meaning "heat."
A forest ecosystem can support a limited number of bears. This is because available energy is lost from one trophic level to the next. (flies, trout, then bears)
