Complete the sentences with the verbs (get/reduce/release/use) . Use the -ing form.

get reduce release use
Question 12 0 / 0.5 points

_____________its energy from hot rocks and water beneath the earth, geothermal energy is a practical source of energy in many parts of the world.
Question 13 0 / 0.5 points
By _____________
the cost of alternative energy technology to the public, governments can encourage people to help the environment.
Question 14 0 / 0.5 points
By_____________
alternate sources of energy, we can become less dependent on fossil fuels.

Question 15 0 / 0.5 points

_____________CO2 into the atmosphere, the burning of fossil fuels pollutes both the oceans and the air