Which of the following most likely happens when the volume of a gas increases? -The number of collisions of gas particles remains same.

-The number of collisions of gas particles increases.

-The pressure of the gas remains same.

-The pressure of the gas decreases.

the pressure of the gas increases

answer; i believe the correct answer is (solid gold);

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.