Question

Q1. Define

i) Global warming

ii) Acid Rain

Q2. Write the causes and effects of –

i) Global warming

ii) Acid Rain

Q3. Write 2 ways to reduce global warming.

Q4. Why is carbon monoxide a poisonous gas?

Answer 1

GLOBAL WARMING. A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.

Answer 2

Answer:

Q 1 -

i) Global warming - the increase in the temperature of the earth’s atmosphere, caused by the increase of certain gases.

ii) Acid Rain - Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

Q 2 -

i) Global warming - Global warming occurs when carbon dioxide (CO2) and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight and solar radiation that have bounced off the earth's surface. ... That's what's known as the greenhouse effect.

ii) Acid Rain - Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

Q 3 - How You Can Stop Global Warming

• Speak up! ..

• Power your home with renewable energy. ...

• Weatherize, weatherize, weatherize. ...

• Invest in energy-efficient appliances. ...

• Reduce water waste. ...

• Actually eat the food you buy—and make less of it meat. ...

• Buy better bulbs. ...

• Pull the plug(s).

Q 4 - Carbon monoxide is harmful when breathed because it displaces oxygen in the blood and deprives the heart, brain and other vital organs of oxygen. Large amounts of CO can overcome you in minutes without warning — causing you to lose consciousness and suffocate. ... CO poisoning can be reversed if caught in time.

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