Question

Q.2. A large number of small scale industries are operating in almost all parts of our country.
These industries use coal as a fuel and produce large quantities of smoke and carbon dioxide.
In spite of this industrial growth which promotes the economy of the country and its people,
the two products of combustion of coal, i.e., smoke and carbon dioxide pollute our
environment.
Now answer the following questions :
(1) What is smoke? How does it affect our health?
(ii) What do you suggest to reduce the hazards of smoke?
(iii) How does carbon dioxide affect our environment?
(iv) Should the use of coal as a fuel in industries be banned? Suggest two environment friendly
sources of energy to run our factories.​

Answer 1

Answer:

is it helpful

Explanation:

(1) smoke

Smoke is a collection of tiny unburnt particles – very small carbon particles and tiny droplets of tar. Smoke is a collection of tiny solid, liquid and gas particles. Although smoke can contain hundreds of different chemicals and fumes,

*effect of smoke on our health:-

Smoking can cause lung disease by damaging your airways and the small air sacs (alveoli) found in your lungs. Lung diseases caused by smoking include COPD, which includes emphysema

(2) suggest to reduce smoke:-

1. Using public transports

2. Recycle and Reuse

3. No to plastic bag

4. Reduction of forest fires and smoking

5. Avoid using of product with chemicals

6. Implement afforestation

7. Use filters for chimneys

(3) Extra carbon dioxide in the atmosphere increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally. This increase in the Earth's temperature is called global warming .

(4) yes

1 solar

2 biomass

3 geothermal

wind

hydroelectric power