'Sunspot cycles' diaporamas de présentation

Solar Energy II

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Global Change.

Global Change. Gabby Gabanic Chapter 18-1. Power Plants. Coal-burning. Smoke released into the atmosphere through smokestacks. Usually around 300 meters. Contains high concentrations of sulfur.

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Aim: How can scientists determine change on Earth?

Aim: How can scientists determine change on Earth?. Observations of our environment show that change occurs all the time. Some changes occur very slowly (seasonal changes) and other changes occur very rapidly (earthquakes). Change is the occurrence of an event .

197 views • 12 slides