anthropogenic - refers to influences that humans have on the environment, Keeling Curve- Shows CO2 increase in the atmosphere, Milankovitch cycles - Earth receives varying amounts of solar energy caused by changes in the shape of Earth’s orbit, the tilt of its axis, and the direction of its axis, solar variances - the change in the amount of radiation emitted by the sun, sunspot - magnetic storms on the surface of the sun, sunspot cycles - approximately 11-year solar cycle, environment - The conditions that surround someone or something., emit - To produce, discharge or give out,

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