Question

14. Although wood has a very high calorific value, we still discourage its use as a fuel. Explain
5. Complete the crossword Fig. with the help of the clues :​

Answer 1

Explanation:

1.Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.

Answer:

Wood produces lot of air pollution.

Use of wood as fuel encourages cutting of trees leading to deforestation.

2.figure not given

Answer 2

Answer:

Although wood has a very high calorific value, we still discourage its use as a fuel. Explain

Although wood has a very high calorific value, we still discourage its use as a fuel because : 1. Wood release unburnt carbon particles. These fine particles are dangerous pollutants causing respiratory diseases such as asthma.

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