phyical geography

glaciers

continental near poles size of continents

alpine glaciers

interglacial period when ice of glaciers melt not completely

rocks

metamorphic

igneous

sedimentary

Igneous heat and pressure turn to metamorphic

igneous weather erode turns to sediment compact cementation

land form regions

western cordillera

Canadian shield

Appalachian mountains

great lakes st Lawrence lowlands

innaution mountains

artic lowlands

hudson bay lowlands

western cordillera west coast, forestry with mountains and peaks created when pacific plate crashed with north american plate created in the Mesozoic and ended Cenozoic great for farming plants and vegs also trees wet climate

geological eras

Precambrian era most activity

Precambrian era divided into Proterozoic Archean Hadean,

Mesozoic

Cenozoic

Paleozoic

plate tectonics

pangea gondwanana Eurasia

continental drift

Alfred Wagner theory

pacific plate, north american, Eurasian, Caribbean, south american plate

San andras fault is where the north american and pacific glide the most horizontally

lithosphere, crust, mantle, core