Air pollution is when unwanted chemicals and poisonous substances are added to air, making it harmful to most organisms such as humans, plants, animals, etc... and even the atmosphere.
By different human activities, we add a lot
of smoke and dust into the air.
The biggest cause of air pollution is the use of fossil fuels.
These are mainly coal, petrol/diesel, and natural gas.
For example, if you have been in the car before and are stuck in traffic,
you will see fumes coming out of many vehicles.
These fumes are poisonous gasses that make the air polluted.
<u>Answer:
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It has been found in cross-cultural studies that girls tend to have higher self-esteem in adulthood, whereas boys tend to have higher self-esteem in adolescence.
<u>Explanation:
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- Most girls, on their way to adolescence, tend to lose self-esteem owing to the physical changes happening in their bodies.
- Once they cross past the phase of adolescence and become mature enough to accept the reality, their self-esteem boosts up back again.
- On the other hand, boys naturally have high self-esteem during the years of adolescence. But the same goes on decreasing with the experience of competition that is there in the outside world.