precipitation of acid in the form of rain acid rain can damage the environment in many ways.
array
a range or distribution of values
There is a large array of colors in the spectrum.
asthma
a chronic lung condition presenting difficulty of breathing
The boy had to use medicine to control his attacks of asthma.
contamination
state of being dirty or polluted
The contamination emitted by cars each year is very high.
diesel
a heavy mineral oil used for power engines diesel fuel is typically less expensive than regular gasoline.
diminished
to lessen or decrease
The warm weather diminished the necessity to heat the house as much as usual.
disconnecting
to end or terminate a connection
The power company was disconnecting heat to family's homes that had not paid their heating bill.
elevates
to raise
The presence of danger elevates an animal's desire to flee.
eliminated
to do away with, to put an end to
The couple was eliminated from the competition when they made a mistake in the final round.
focused
to concentrate on something or to specify
Harold's new book focused on the role of women in today's business culture.
generated
to create or make
The new company generated high revenues in their second quarter.
greenhouse gas
a type of pollution, especially carbon dioxide, emitted in global warming
More and more greenhouse gas is emitted into the atmosphere each year around the world.
harmful
dangerous or of causing harm
Smoking cigarrettes is harmful to one's health.
implemented
to put in place
The president implemented new regulations regarding the trade agreement.
pollutants
something which is unclean or impure
Bicycles do not release pollutants into the air as cars do.
reduce
to lessen or decrease
I would like to reduce the amount of coffee I consume each day.
refineries
a place or plant that processes oil or other substances
The oil refinery worked around the clock to keep up with the demands of customers.
sooty plumes
a dirty or soiled feather
The bird that flew over the refinery came away with sooty plumes.
urban
pertaining to the city or city life
An urban home is desirable for those who wish to be near to everyday conveniences.
volatile
subject to rapid change
The stock market is notoriously volatile during wartime.
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