Question

(b) The main mineral constituents of core are
(1) sand and clay
(2) minerals. (3) nickel and iron. (4) granite and marble
(c) The innermost layer of the earth is
(1) Crust
(ii) Core
(iii) Mantle
(iv) None of these
(d) The other name for the earth's crust is
(i) magma
(ii) sima
(iv) mantle
(iii) lithosphere​

Answer 1

b) the main mineral constituents of the core are (3) nickel and iron

c) the innermost layer of the earth is (ii) core

d) The other name for the earth's crust is (iii) lithosphere

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Answer 2

Answer:

b) The main mineral constituents of core are is (3) nickel and iron.

c) The innermost layer of the earth is (ii) Core

d) The other name for the earth's crust is (iii) lithosphere.

Explanation:

• In contrast to the crust and mantle, which are rich in minerals, the core is almost exclusively made of metal, particularly iron and nickel.
• The chemical symbols NiFe are used to identify the iron-nickel alloys that are present in the core.
• Siderophiles, or compounds that dissolve in iron, are also present in the core.
• The earth's core, which is the deepest layer, has a density that fluctuates from 5.1 to 13.00.
• The densest materials were used to create it.
• The deepest layer of the planet is referred to as its core.
• There is an exterior core and an inner core to it.
• Iron and nickel are present in large amounts.
• The lithosphere is the name given to the Earth's outer, solid layer, crust.

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