A. Fill in the blanks.
1. Coal is derived from______.
2. Molten matter inside earth is
called______ and outside earth is called_______.
3. Slate is a _______ rock derived from_______ a sedimentary rock.
B.Long answer questions.
1. What is reason behind formation of igneous rock?
2. What are metamorphic rock?
3. What are different use of rocks and minerals?
4. Why do we need to conserve natural resources?
5. What is congomerate used for?
Answers
Answer:
1 fossil fuels
2 magma, lava
3.metamorphic , shale
B
1 the igneous rocks are formed due to intensive heat and pressure
2 rocks which originally are igneous or sedimentary in nature get changed in chracter and appearence due to heat and pressure and are called metamorphic rocks
3 mineral use - they are used in our food
rocks use- the rocks changed into different types of rocks like chalk which are used in our daily uses
4 Resources are important for the development of any country. For example, to generate energy, one need fossil fuels; and for industrial development, we require mineral resources.
5 Conglomerate rocks are used in the construction industries and as decorating stones, such as for buildings.
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Explanation: