Which of the following options correctly describes the characteristics of oceanic and continental crusts? Oceanic crust is made up of dark-colored...
Which of the following options correctly describes the characteristics of oceanic and continental crusts?
Oceanic crust is made up of dark-colored basaltic rocks, while continental crust is made up of light-colored granitic rocks.
Oceanic crust is denser and thinner than continental crust.
Continental crust is composed mainly of silicon, aluminum, and oxygen, while oceanic crust is composed mainly of silicon and magnesium.
A) Only statement I is correct.
B) Statements I and II are correct.
C) Statements II and III are correct.
D) All statements are correct.
Oceanic crust is made up of dark-colored basaltic rocks, while continental crust is made up of light-colored granitic rocks.
Oceanic crust is denser and thinner than continental crust.
Continental crust is composed mainly of silicon, aluminum, and oxygen, while oceanic crust is composed mainly of silicon and magnesium.
A) Only statement I is correct.
B) Statements I and II are correct.
C) Statements II and III are correct.
D) All statements are correct.
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Ed 
A alternativa correta é a letra B) As afirmações I e II estão corretas. Explicação: - A afirmação I está correta, pois a crosta oceânica é composta principalmente por rochas basálticas de cor escura, enquanto a crosta continental é composta principalmente por rochas graníticas de cor clara. - A afirmação II também está correta, pois a crosta oceânica é mais densa e fina do que a crosta continental.
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