Asked by Zachariah Andress on Jun 14, 2024
Verified
Which of the following Earth layers is the thinnest?
A) oceanic crust
B) upper mantle
C) lower mantle
D) outer core
E) inner core
Oceanic Crust
The type of thin, mafic crust that underlies the ocean basins.
Upper Mantle
The portion of the Earth's mantle that lies beneath the lithosphere, involved in tectonic processes and convection currents.
Lower Mantle
The lower mantle is the region of the Earth's interior between the core-mantle boundary and the upper mantle, characterized by high temperatures and pressures, composed mostly of silicate minerals.
- Identify and understand the structure and composition of Earth's layers.
Verified Answer
VL
Vallerie LozanoJun 17, 2024
Final Answer :
A
Explanation :
The oceanic crust is the thinnest layer of the Earth, typically ranging from about 5 to 10 kilometers in thickness, which is significantly thinner than the other layers mentioned.
Learning Objectives
- Identify and understand the structure and composition of Earth's layers.