Question

what is meant by M.S.L​

Answer 1

Answer:

mean sea level

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Answer 2

Answer:

$mean \: sea \: level$

Burning of wood and coal causes pollution of air.

Burning of wood and coal causes pollution of air.(b) A liquid fuel, used in homes is Liquefied Petroleum Gas(LPG).

Burning of wood and coal causes pollution of air.(b) A liquid fuel, used in homes is Liquefied Petroleum Gas(LPG).(c) Fuel must be heated to its ignition temperature before it starts burning.

Burning of wood and coal causes pollution of air.(b) A liquid fuel, used in homes is Liquefied Petroleum Gas(LPG).(c) Fuel must be heated to its ignition temperature before it starts burning.(d) Fire produced by oil cannot be controlled by water.