Statements regarding Earth's structure and Hydrosphere
CMAT 2025 · General Knowledge · Medium · Geography
Given below are 4 statements (A), (B), (C) and (D). Please read them carefully and respond to the question given after these statements. (A) The crust of the Earth comprises rocks rich in silica and aluminium. (B) The core of the earth consists of metals in liquid state of high temperature and pressure. (C) Magnesium and Phosphorus are dominant in the core of the Earth. (D) The Hydrosphere covers approximately 71% of the total surface area of the Earth.
Choose the correct answer from the options given below :
- A.
(A) and (B) only are correct statements.
- B.
(A) and (D) only are correct statements.
- C.
(B), (C) and (D) only are correct statements.
- D.
(A), (B) and (D) only are correct statements.
D
Explanation
Statement (A) is correct (SiAl - Silica and Aluminium). Statement (B) is correct (Outer core is liquid metal). Statement (C) is incorrect; the core is dominated by Iron and Nickel (NiFe). Statement (D) is correct (Hydrosphere covers ~71% of Earth's surface). Hence, (A), (B) and (D) are correct.
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