there is a fall in air pressure on the hills
it is cold on the hills
there is less carbon dioxide on the hills
There is less oxygen
Water boils at a lower temperature on the hills because
Water cannot be used to extinguish fire caused by electric current, as
Water cannot be used to extinguish fire caused by electric current, because
Water changes into steam by absorbing _ calories of heat per gram of water at 100°C.
Water drops cannot stick to the oily surface due to
Water from soil enters into the root hairs owing to
Water has max density at
Water has maximum density at
Water is used in car radiator because of its
Water pipes in hilly areas often burst on a cold frosty night, because