Yes, sieves are commonly used at construction sites to separate pebbles and stones from sand. The sieve allows finer sand to pass through while retaining larger pebbles and stones, ensuring the sand used in construction is clean and appropriately sized.
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The revolution of the Earth refers to its orbit around the Sun, which takes approximately 365.25 days to complete. This motion is responsible for the changing seasons, as the Earth’s tilted axis causes varying angles of sunlight at different times ...
The rotation of the Earth refers to the planet’s spinning motion around its axis, which takes approximately 24 hours to complete. This rotation causes the cycle of day and night as different parts of the Earth face the Sun or ...
Aryabhata, an Indian mathematician and astronomer from the 5th century, is credited with stating that the Earth is round and rotates on its own axis. His work, the Aryabhatta, presented revolutionary ideas about astronomy, including the concept that the apparent ...
The difference in time between India and America is due to Earth’s rotation and time zones. As the Earth rotates, different parts experience daylight and darkness at different times. India is ahead of America in time zones, so when it’s ...