SOLAR SYSTEM

UNIVERSE

PLANETARY INTERIORS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
There are 2 types of crust on Earth
A
complex crust and continental crust
B
soft crust and hard crust
C
oceanic crust and continental crust
D
thermal crust and coolant crust
Explanation: 

Detailed explanation-1: -Earth’s crust is divided into two types: oceanic crust and continental crust. The transition zone between these two types of crust is sometimes called the Conrad discontinuity. Silicates (mostly compounds made of silicon and oxygen) are the most abundant rocks and minerals in both oceanic and continental crust.

Detailed explanation-2: -In addition, there are two types of plates: oceanic and continental. Oceanic plates are plates that lie primarily under the ocean. Continental plates are those containing continents.

Detailed explanation-3: -What is Continental Crust? The continental crust is the outermost layer of the earth’s lithosphere. It forms the landmasses, that is, the continental shelves and the continents on Earth. The continental crust is developed near the subduction zones at the boundaries between the oceanic and continental tectonic plates.

Detailed explanation-4: -b) Oceanic crust is thinner and denser than continental crust.

Detailed explanation-5: -Continental crust is thicker. The oceanic crust is thinner. Continents cover 21% of Earth’s surface. They cover 72% of Earth’s surface.

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