answer these questions
Answers
Answer:
1.c
2.c
3.a
4.b
I think so
hope it is helpfull
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Question 1.
The uppermost layer of the earth's surface is called
(a) the crust
(b) the core
(c) the mantle
(d) the burst
Correct option:-
(a) the crust ✔️
➣ Extra information:
The crust is the uppermost layer of the earth's surface it consists of a thin layer with an average thickness of about 60 km forms less than 1% of the radius of earth.
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Question 2.
The process of transformation of the rock from one form to the other is known as
(a) road cycle
(b) food cycle
(c) rock cycle
(d) all of these
Correct option:-
(c) rock cycle ✔️
➣ Extra information:
The rock cycle is not only the relationship between the three types of rocks - igneous, sedimentary and metamorphic, but also how, when they, when and where the changes that they undergo take place. The rock cycle is a continuous transforming process over centuries, changing old rocks into new ones at varying speed.
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Question 3.
What is molten magma made up of ?
(a) Igneous
(b) Metamorphic
(c) Sedimentary
(d) None of these
Correct option:-
(c) Igneous ✔️
➣ Extra information:
Igneous rocks are of thermal origin and are formed by the process of solidification of molten rock material called magma. Such molten magma originates from the interior layers of the earth. Such magma erupts during volcanic eruptions and on reaching the earth's surface, gets solidified by cooling.
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Question 4.
Rocks which gave fossil fuels are called
(a) metamorphic rocks
(b) igneous rocks
(c) core
(d) sedimentary rocks
Correct option:-
(d) sedimentary rocks ✔️
➣ Extra information:
Sedimentary rocks are also called secondary rocks because they are derived by the denudation of other pre-existing primary or parent rocks. Organic sediments are those derived by the accumulation of remains of organisms, such as marine organisms which at last provide fossil fuels.