Question

Write T for true and F for false,
1. The mantle is in a semi-solid state.
2. Rocks have a definite chemical composition.
3. Nickel is a fossil fuel.
4. The Earth has uniform minerals.
5. Gypsum is a chemically formed sedimetary rock.
Answer these questions in brief.
1. What is lithosphere?
2. Name the three types of rocks.​

Answer 1

Answer:

1.     t
2.       t
3.  f    
4.     t
5.   t  

Explanation:

1.A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite. On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater.

2.There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water.

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