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6 questions
What does the word 'pollution' mean?
What is Pollution?
an unhealthy diet
global warming
lands, people and plants
harmful substance introduced to the environment
Ozone depletion is caused by
nitrous oxide.
carbon dioxide.
chlorofluorocarbons.
methane.
all of the above.
Air pollution is one of the main causes of __________ disease
To help our environment, you should
recycle, remember, and reduce.
reduce, reuse, and recycle.
reduce, repair, and recycle.
reuse, replace, and recycle.
What is soil pollution?
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