EARTHSS 1 Final: Terms Definition

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Heavier elements source of energy presence of liquid water suitable environmental conditions. Distance from the sun combine to create solar constant 3. The light that reaches earth"s surface is absorbed and warms the surface. Earth"s surface is much colder than the sun so earth emits radiation with a longer wavelength - infrared radiation. Greenhouse gases in atmosphere absorb infrared radiation which warms the atmosphere. Some goes out to space but some is emitted towards earth again. In contrast, continental crust is much less dense and more compositionally varied than both oceanic crust and the mantle. Tephra and volcanic ash from eruption column 3. Unconformities represents a gap in time in our rock record. The atmosphere the gaseous envelope that surrounds a planet or other celestial body air mixture of gases & suspended particles that surrounds. Aerosols tiny liquid droplets or tiny solid particles that are so small they remain suspended in the air /absorb solar radiation (heat the atmosphere)/ .