Ielts vocabulary Booster: Learn 500+ words for ielts essay



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IELTS Vocabulary Booster- Nadin Miles
endangered species are those considered to beat risk of extinction.
There are over 1,300 species in the United States that are listed as threatened orb endangeredb.The ozone layer - a belt of naturally occurring ozone gas that sits above the earth and serves as a shield from the harmful ultraviolet radiation.
Unlike pollution, which has many types and causes, the
ozone layer depletion has been pinned down to one major human activity.
In this sentence we seethe very nice phrase ozone layer depletion. You will sound really smart if you use it somewhere.
Our next word combination is carbon footprint. It is the amount of greenhouse gases emitted by something during a given period of time. Let’s find an example.

Ab carbon footprint can be measured for an individual or an organization and is typically given in tons of CO2.
There are two gases which people often confuse - CO2 = carbon dioxide and CO = carbon
monoxide. Their names are similar, and they are both dangerous in high concentration. So our best explanation is:
CO2 is produced by gasoline engines that use a catalytic converter.
CO is generated by gasoline engines that do NOT use a catalytic converter. I hope this clarifies the difference for you.
In most cases you will need to say or write something like ‘to reduce carbon dioxide emissions we have to do something…'

Our next phrase is hazardous waste.
It’s essential that hazardous waste is handled, stored,
transported, and disposed of properly. No one should touch hazardous waste.
Another popular word when we talk about environment is contamination. Many people use it as a synonym of pollution, which is not completely correct.
Contamination is the presence of unwanted or foreign substances. Contamination maybe natural whilst pollution is produced by the influence or activities of people.

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