Greenhouse gases are the cause of Greenhouse effect.The greenhouse gases which include CO2, Methane etc. trap the heat in the Earth's atmosphere and don't allow it to escape.
The weapon is fitted with a Leupold Mark 4. The rifle is also similar in appearance to the TAC-338 rifle that Kyle used in real life. McMillan TAC-338A sniper rifle with Harris bipod, Leupold Mark 4 scope, and AN/PVS-22 Universal Night Sight - .338 Lapua Magnum. Kyle taking aim with the rifle. Right side of the rifle.
Eddie Ray Routh is a suspect in the shooting and killing of former Navy SEAL Sniper Chris Kyle. (REUTERS/Erath County Sheriffâs Office/Handout) Routh, a former Marine, fled and was later arrested at his home outside Dallas, where cops retrieved the semiautomatic handgun used to kill both men.