Particles in minerals form regular patterns called
crystals
The softest mineral can not scratch any others
Talc
Forces of Erosion
Gravity, glaciers/ice, water, wind
What is the biggest cause of erosion
Water
Strations
the markings left on rocks from abrasion by sediments.
Moraines
Sediments pushed to the side by glaciers.
What is the main form of erosion that made the badlands?
Glaciers/ice
Do minerals contain rocks?
no
Do extrusive in intrusive have larger crystals?
Intrusive
What is coal and example of (evidence)
Evidence of climate
What is an ocean trench formed by?
Convergent boundary
What is an ocean ridge formed by?
Divergent boundry
What do divergent boundary cause?
Volcanoes, sea floor speeding, mountain formation.
Convergent boundary cause earthquakes, T or F
True