We sprinkle powder on carrom board to make the surface of the board smooth. This reduces the friction between the surface of the carrom board, the striker and the coins. As a result, the coins and the striker can move easily on the carrom board.
Sharks, like all vertebrates, have bilateral symmetry. This
means they have symmetry across one plane (known as the sagittal
plane, and directly down the centre of their body), which means one
In my opinion we would not have clouds because the clouds is our water vapor
"Introduction of non-natives always cause great harm to the environment." Non-natives don't always cause damage and/or harm.