Question

Read the passage below and answers the questions that follow.
Pollution happens when unwanted gases and other materials escape into the environment. It causes waste, financial losses, and damage to human, animal and plant health. Huge growth in industry and in the world’s Population in the last. 100 years have led to more and more industrial process and pollution. Deliberate dumping and accidents such as oil spillages have seriously affected the earth’s at land and water. Some gases and Particles in the air may be dangerous to health if breathed in. Most air pollution comes from funning fossil fuels (coal, oil and gases) and solid waste or from gases released in to the air by different processes. One of the worst is carbon monoxide from vehicle exhausts. It is poisonous to humans because it prevents the absorption of oxygen. Another is nitrogen oxide, which reacts with sunlight to produce dense smog. Tobacco smoke also damages health-even breathing in other people’s smoke is harmful. Increasing quantities of heavy metals such as mercury and lead, chemicals, sewage and oil spills are polluting lakes, rivers and oceans. Water in some places is unsafe to drink or even bathe in as a result, and animals are harmed and killed.
a- How does air pollution occur?
b- What are the main factors responsible for pollution?
c- Which elements do pollute rivers and oceans?
d- Why is carbon monoxide poisonous to humans?

Answer 1

a)Air pollution occurs by unwanted gases & other materials it enters into environment
b)*dumping and accidents such as oil
*burning fossil fuels
C)mercury, lead, sewage,&oil spills
d)it prevents absorption of oxygen

Answer 2

Explanation:

what are the main factors responsible for pollution solved