1) first people didin't realize it was dangerous
2) then they didn't have the technology to prevent it, but they still wanted to do the things that caused the pollution
3) then they got the technology but thought they couldn't afford to treat the poolution.
Because they let out fume from the burning fuel.
we are damaging the earth by pollution and oil spills and chemicals that is let into the air
it will deflate dick
stop smoking, and don't let others smoke. ;)
shield the earth and shield yourself from air pollution we can reduce air pollution by using battery powered vehicles and bicycles. some slogans are as follows: 1. Plant trees & plant your health. 2. Reduce air pollution & increase your life span. 3. Air pollution is a ladder to destruction of nature. 4. Prevent air pollution, protect nature. 5. Cutting the trees is as cutting the health save the air to save our life
If you let the air out of a balloon, it will deflate and decrease in size as the pressure inside the balloon equalizes with the external pressure.
let's see a pro can be that it is the source of what makes our vehicles run and air conditioners etc. but a conis that it's slowly destroying our environment and causing global warming.... i just decided to answer this because I saw this up a two weeks ago and i felt like noone would answer it.
yes we do let that happen. we change so people can think we are awesome!!
If you push the plunger of a syringe filled with air and let go, it will come back up again! :) :P
to let the old air out and new air in
An emission test is used to make sure your car won't let out too many pollutants into the air. It is necessary to reduce air pollution in a city.
Qutab Minar is affected by pollution because there are large industrial areas in the city that let off smoke and pollutants into the air. This is similar to that of many other cities throughout the world.