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bradyscardsgeo
learn different stuff about the earth
Question | Answer |
---|---|
how is metamorphic rock made? | heat and pressure |
magma cools to what? | igneous rock |
name the four layers of the earth. | crust,mantle,outer,inner core |
what is the thickest layer of the earth? | mantle |
were is molten iron-nickel found in the earth? | outer core |
the inner core is made out of what? | iron and nickel |
how old is the earth? | 4.6 million years old |
how old is the moon | 4.5 million years old |
what causes tides? | the moon |
the amount of salt is called? | salinity |
te ocean floor is called what? | a basin or abyssal plain |
how are waves made? | the wind |
what is the deepest trench of the ocean? | the marinas trench |
what is a seamount ? | a seamount is a formation underwater rise witch is usauly a volcano |
what are the three depths of the ocean? | sun lit, mid night,and twilight zone |
what is the biggest ocean on earth? | the pacific ocean |
what are the four rocks? | igneous,sediment,sedimentary,and metamorpfic |
how many continents are there? | seven |
what is the thinnest layer? | the crust |