What can cause long-term environmental changes by blowing dust and gases into the sky ?

What three things determine the shape and size of a puddle when water is poured out onto a surface

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

What is the subscript for oxygen in its molecular formula