C1.1 Unit 4 Reading

There are __________________ benefits to using solar panels that have great benefits to the environment.

• consideration

• considerable

• considerate

• considered

Global warming is an international problem that we are desperately seeking a _______________ for.

• resolve

• resolution

• resolute

• resolve

We need to show a lot of _________________ in our efforts to reduce pollution caused by fossil fuels.

• commute

• commiting

• commitment

• committed

Our current way of life is not _________________. We drastically need to alter our course.

• substantive

• sustaining

• sustained

• sustainable

________________, we have not paid much attention to the effects of our actions on the environment; however, our attitudes are changing.

• Historically

• History

• Historic

• Historicized

This machine doesn't have very good _______________ because it produces a lot of waste.

• efficience

• efficiency

• efficient

• efficatory

Thanks to ______________ in the industry, we are finding ways of making renewable energy even more efficient than before through design effective processes.

• innovative

• innovated

• innovation

• innovatory

We need to forget about how these things will affect us on a ________________ level, and worry more about how damaging they would be for the environment.

• commercialized

• commercerate

• commercive

• commercial

If we salvage scrap metal, then we can _________________ it into something useful again.

• convert

• conversion

• converted

• converting

This is an extremely ________________ moment in the world's history and we must change the environment for the good of all the generations to come.

• signify

• significant

• significates

• significance