Question

Fill in the blanks.

(a) Burning of wood and coal causes _________ of air.
(b) A liquid fuel, used in homes is ____________.
(c) Fuels must be heated to its _________ _________ before it starts burning.
(d) Fire produced by oil cannot be controlled by ___________.

Answer 1

Answer:

1)carbon

2)Petroleum

3)upto it's comfortable temperature

Answer 2

Answer:

(a)pollution

(b)liquefied petroleum gas (LPG)

(c)ignition temperature

(d)water

Explanation:

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