What is the name of the scale in which stones are categorized by hardness?
Hardness Scale
Moh's Hardness Scale
When did the accident of Chernobyl happen?
1986
1968
What is contact meta morphisism?
When rocks are heated by nearby magma.
When rocks are deposited into lava and undergo metamorphisism
What is regional metamorphisism?
When rocks buried deep underground are put under more pressure by other rocks.
When rocks are put into the process of up lift
What is mainly causing Germany's acid rain today?
Auto Emissions
Buring Coal in factories.
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