If something such as a machine or an industry has ...

[ IELTS Vocabulary ]

If something such as a machine or an industry has zero emissions, it does not release any harmful substances into the atmosphere.

A. estimate the cost

B. zero emissions

C. harness energy

D. renewable energy

Select your answer:

Other quiz:

Past Tenses › View

Fill in the blank with the correct past participle form: I have never ___ (lose) my keys before.

A. lose

B. lost

C. losing

D. loosed

Simple Tenses › View

Is the sentence written in present, past, or future?: Karla and John play to catch the ball with a towell.

A. Past

B. Present

C. Future

D. None