REVISION I.. Read the following text and answer the questions below. The effects of air pollution are alarming. They are known to create several respiratory and heart conditions along with Cancer, among other threats to the body. Several millions are known to have died due to direct or indirect effects of Air pollution. Children in areas exposed to air pollutants are said to commonly suffer from pneumonia and asthma. Another direct effect is the immediate alterations that the world is witnessing due to Global warming. With increased temperatures worldwide, increase in sea levels and melting of ice from colder regions and icebergs, displacement and loss of habitat have already signalled an impending disaster if actions for preservation and normalization aren't undertaken soon. Harmful gases like nitrogen oxides and sulphur oxides are released into the atmosphere during the burning of fossil fuels. When it rains, the water droplets combine with these air pollutants, becomes acidic and then falls on the ground in the form of acid rain. Acid rain can cause great damage to human, animals and crops. 1. What problems does air pollution create? ____________________________________________________________________ 2. How many people are known to have died due to effects of air pollution? ____________________________________________________________________ 3. What is the reason for the increase in sea levels and melting of ice? ____________________________________________________________________ 4. What gases can the burning of fossil fuel create? ____________________________________________________________________5. How does acid rain form? ____________________________________________________________________ mọi người giúp mình vs ạ , mình cảm ơn