Atmosphere atmospheres were then modified over time by various complex factors, resulting in quite different outcomes. The atmospheres of the planets Venus and Mars are primarily composed of carbon dioxide, with small quantities of nitrogen, argon, oxygen and traces of other gases. The composition of Earth's atmosphere is largely governed by the by-products of the life that it sustains. Dry air from Earth's atmosphere contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and traces of hydrogen, helium, and other "noble" gases (by volume), but generally a variable amount of water vapor is also present, on average about 1% at
Life Among the Ruins bluesy hard rock and melodic metal, more similar to early Whitesnake's recordings than the epic power metal of albums like "Noble Savage" and the following "The Marriage of Heaven and Hell Part I". This is the first album with bassist Rob DeMartino, who replaced Joe O'Reilly, retired from the scene. All lyrics by David DeFeis, music as indicated Life Among the Ruins Life Among the Ruins is the fifth full-length studio album by US heavy metal band Virgin Steele. It was released in 1993, after almost five years of inactivity. The song "Snakeskin Voodoo Man" was present only in the