Question

B. Match the following. (5)

i. Core a. Earth’s surface

ii. Minerals b. used for roads and buildings

iii. Rocks c. made of silicon and alumina

iv. Clay d. has definite chemical composition

v. Sial e. innermost layer

f. change into slate

g. process of transformation of the rock​

Answer 1

Answer:

1.core=innermost layer

5.sial=made of silica and alumina

D..crust mantle and core are three layers of earth

Explanation:

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Answer 2

Answer:

I. Core - innermost layer

ii. Rocks - used for roads and building

iii . Minerals - has definite chemical composition

iv . Clay - change into slate

v . Sial - Earth's surface

C. 1 .Iron - chair, table, doors, windows, table, etc.

2 .Aluminium - Kitchen utensils, pen-stand, lamp-stand, etc.

3. Copper - water tank, water utensils, some kitchen utensils, electrical wires, etc.

4. Zinc - pooja-lamp, coating of some utensils, etc.

D. 1. Crust

2. Mantle

3. Core

E. 1. MONUMENTS

2. PARKS

3. BUILDING

F. Ecosystem : it is a system formed by the interaction of all living organism with each other and with the physical and chemical factors of the environment in which they live, all linked by transfer of energy and material.

G .1 Ibrahim Lodi

2. Khurram

3. Jagirs

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