Question

A. Answer the questions by choosing the most appropriate alternative from those given below
1. The other name for the Earth's crust is
a.magma
b.sima
c.lithosphere
d.mantle
2. The other name for the mantle is
a.hydrospher
b.barysphere
c.mesosphere
d.nife
3. The main mineral constituents of the core are
a.sand and clay
b.nickle and iron
c.silica and alumina
d.sillica and magnesium
4.Which of these is not a metamorphic rock?
a.Marble
b.slate
c.granite
d. Quartzite
5. Metamorphic rocks result from
a. recrystallisation and change of rocks
b.compression and compaction of sediments
c.cooling and solidification of magma
d.erosion of rock
B. Give one word.
1. rocks are made up of these
2. the innermost part of the Earth
3. the study of rocks is called
4.it has an average thickness of 8 to 60 km
5.the layer of the Earth made up of silica and aluminium ​

Answer 1

Answer:

1.mantle

2. nife

3. silica and magnesium

4. quartzite

5. erosion of rock

The innermost part of earth is core

Explanation:

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