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Chemistry, 13.10.2020 08:01 Cooldude36461
PLEASE HEL
Choose all the answers that apply.
The earth's crust:
is one solid land mass
is broken into pieces
has seven main plates
is mostly made of iron and nickel
is mostly made of silicon dioxide
Over time, heat and pressure can change quartz into quartzite. Quartzite is .
an igneous rock
a sedmentary rock
a metamorphic rock
Igneous rocks are formed from .
cooling magma
eroded rock
metamorphic rock
heat and pressure
Sedimentary rocks form .
layers
beneath the earth's crust
from cooling magma
in dry locations
Choose all the answers that apply.
The continents .
were once connected
have always been in the same location
are slowly drifting
have stopped moving
are made mostly of basalt
Which of the following statements is true?
Cooling magma is slowing adding land to the continents.
Convection currents in the mantle keep crustal plates moving.
The oceanic plate is made mostly of granite and limestone.
The theory of continental drift was immediately accepted by the scientific community.
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Answers: 3
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The earth's crust:
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