Unit-2 Energy aand Our Planet- LA

Cold drinks are in ______in the summer.

• demand

• atmosphere

• efficient

• significantly

Renewable sources of _____must be used where practical.

• energy

• significantly

• demand

• conserve

Trees absorb _____dioxide and produce oxygen.

• reduce

• increases

• carbon

• atmosphere

We need to _____the speed slightly.

• energy

• significantly

• reduce

• carbon

These gases pollute the _____ of towns and cities.

• significantly

• efficient

• atmosphere

• increases

Gas and oil consumption always _____ in cold weather.

• demand

• atmosphere

• efficient

• increases

Eating a good diet ______ lessens the risk of heart disease.

• increases

• energy

• significantly

• carbon

The computer had made a great ____ on modern life.

• impact

• increases

• efficient

• atmosphere

It is important to ____ energy.

• conserve

• efficient

• atmosphere

• increases

The new machine is more _____ than the old one.

• atmosphere

• energy

• efficient

• impact