Question

iii. nickel and ferrous
4. Thickness of the continental areas in the crust is
1. The upper most part of the Earth's surface is called the
2. Nickel and iron are found in
3. The main constituents of the continental mass are
Hicrust
ii. mantle
iii. outer core
i. crust
ii. mantle
iv. inner core
iii. inner core
liv, outer core
istlica and magnesium
ii. silica and aluminum
iv. silica and nickel
i. 12 km
iii. 25 km
iy 35 km
iv. 3000 km
ii. 15 km
5. The thickness of the mantle is
i. 2500 km
ii. 2700 km
iii. 2900 km
6. Which one of the following rocks are also called volcanic rocks?
i. metamorphic
ii. sedimentary iii. igneous
7. The rocks which are formed by cooling of magma are
i. igneous
ii. sedimentary ii metamorphic
8. Which type of rocks contain fossils and plant remains?
iii. sedimentary
i extrusiye igneous ii. intrusive igneous
iv, both i & ii
iv. permeable
iv. metamorphic​

Answer 1

Explanation:

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