73. Fill in: Is there a better way to ..................................................…energy than inside

batteries?

pump

compress

utilize

expand

store

74. Fill in: They use wind power to .....................electricity.

outweigh

generate

pump

compress

utilize

75. Fill in: If you ..................................................the air, you can fit more inside the chamber.

pump

compress

utilize

expand

store

76. Fill in: We are trying to .....................the problems in the system.

integrate

eliminate

fluctuate

outweigh

generate

77. Fill in: We ..................................................the water to a higher point and collect the

energy as it runs back down again.

fluctuate

outweigh

generate

pump

compress

78. Fill in: The amount of energy our solar planets produce can .....................by as much as

90 % depending on the weather.

integrate

eliminate

fluctuate

utilize

expand​