Give reasons for the following statements-
(a) 'Snow shoes' are more effective than ordinary shoes for walkin
snow.
(b) Porters place a large round piece of cloth on their heads when
carry heavy loads.
(c) A sharp knife cuts vegetables and fruits more effectively than al
knife.
(d) School bags are provided with wide straps to carry them.
(e) It is much easier to burst an inflated balloon with a needle
(directly) with the finger.
(f) Mountaineers may suffer from nose bleeding at high altitudes.
(g) Airplanes have pressurised cabins for passenger safety while flyin
in the atmosphere.
Answers
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Answer:
a).Yes because they are better made for that rough conditions.
b.)This is because it equally divides the weight of the load.
c.) Bcz it has great edges to cut it easily and smoothly.
d.) It equally and lessens the weight.
E.) It has lesser surface are and it's sharper than our fingers.
F.) This is because when we go higher in the atmosphere the pressure is less and we have habit for 1 atm which would cause lots and lots of problems like nose bleeding and ear ache .
Explanation:
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