Question

Please tell answer its argent​

Answer 1

6

ans: Oxygen gas is termed as supporter gas of combustion or burning. So its amount is used to define the combustion of any compound.

7

ans: troposphere

stratosphere—contains the ozone layer; the layer where volcanic gases can affect the climate. tropopause—the boundary between the stratosphere and troposphere. troposphere—the layer closest to Earth's surface in which all weather occurs.