NATURE
Stars in the galaxies are 2.5 trillion and blood vessels in human body are 250 trillion.
Lightning is a very powerful source of energy and a single lightning can light up the bulb for 3 months.
Heart is the best pumping machine. It pumps enough blood within a year to fill up a Olympic Game standard swimming pool.
Planes
Birds and Planes
A commercial plane can fly at the altitude of maximum 35,000ft and a bird can fly at the altitude of 37,000ft.
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