Question

plzz tell me fast only these three questions tell me...​

Answer 1

1. Most of the meteoroids are destroyed by the friction of atmosphere and hence can not reach to the ground .
2. It is a mixture of many gases such as Oxygen , carbon dioxide , nitrogen and many more which helps to support life on earth and has a major role in the biosphere.
3. Common salt can be removed from water by simple evaporation method , in which the salt soln.is to be kept under sunlight by which the water will get evaporated leaving behind the salt .