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A habitat is the specific place or type of environment where a particular species of plant or animal naturally lives, grows, and thrives.
A train would take 20 seconds to cross a stationary pole. If the train was 200m shorter, it would have taken 10 seconds less. Find the speed of the train.
The diameter of a wheel W is 63 cm. It completes 1000 rotations in 1 minute. Find the speed of the vehicle.