EVM EXAM TIPS AND QUICK LESSON

Structure of the Atmosphere

What is artificial green houses gases called?

CFC ( chlorofluorocarbons) containing fluorine, chlorine, and carbon

What is acid rain made of

Water vapor sulfur dioxide nitrogen oxide

What is VOC ( Volatile organic compound )

causes photochemical smog, can be derived from both humans and natural sources.

how is igneous rocks form

when molten rocks from the crust and upper mantle cools. if rock cools quickly, only small crystals can form before the rock become solid, vice versa.

Examples of igneous rocks

A piece of granite

A piece of basalt

How is sedimentary rocks formed

formed by weathering of existing rocks at the earths surface, the accumulation and fossilization of living materials, or the precipitation of dissolved materials out of solution in water.

Example of Sedimentary rock

Lime stone

sandstone

shale

How is metamorphic rocks formed

rock formed by existing rocks by a combination of heat and pressure

examples of metamorphic rocks

marble

slate

two types of mining

Surface Mining: open-cast, open-pit, open-cut, strip mining.

Sub-surface mining includes deep and shafting mining