zohaib babar
Haze & Smog
Haze:
i) The dust particle smoke etc. that may be visible in atmosphere close to the earth‘s surface is known as Haze.
ii) It does not affect natural visibility.
iii) It does not occur particularly near coastal areas.
Smog:
i) It is a mixture of solid and liquid fog as well as particles of smoke. It is formed whenhumidity is high.
ii) Smog reduces visibility.
iii) It occurs near coastal areas.
Enzyme & Hormone
Enzyme:
i) These are organic catalysts produced in the protoplasm of all living cells.
ii) These are mostly protein in nature.
iii) They control all biochemical reactions of the cell.
iv) These are present in all cells and show their activity there.
Hormone:
i) These are organic substances produced in places away from their functional sites.
ii) These are mostly acids.
iii) They promote and inhibit growth, flowering, sex expression, etc.
v) These are mobile. They are produced at one site and show their activities at other
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God has sent us to do something special,Life is once for all but not to be Repeated by a pendulum.
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