Choose the option that has the CLOSEST meaning with the underlined word. 23. (Geothermal heat) is available only in a few pla

Choose the option that has the CLOSEST meaning with the underlined word.
23. (Geothermal heat) is available only in a few places in the world.
A. Heat from the sun B. Heat from thermal reaction
C. Heat from thermal power station D. Heat from the earth
24. Coal, oil, and natural gases (supply) modern civilization with most of its power.
A. cost B. provide C. build D. consume
25. The (potential) of alternative sources of energy is great
A. possibility B. use C. strength D. change