Amass of gas occupies a volumeof 400cm^3 ataatemperature of 27°C and a pressure of 1 atmosphere. wgat will be the volume of the gas at a temperature of 327K and a pressure of 2 atmosphere

Linear Programming is a good idea

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me