Astudent drew the following flowchart.
explosives – bulldozers - trucks - crushing machines
which process is shown?
a. crude oil refining
o
b. hydraulic fracturing
o
c. surface mining
o
d. coal burning
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The flowchart shows Surface mining  process

Explanation:

A mining form where soil as well as rock which is covering the mineral deposits are removed is called as surface mining. The process is done with the help of tunnels and shaft essential mineral which is deposited are removed. It accounts with two thirds of the solid material of world.

It is predominantly obtaining sand, crushed stone, gravel, coal, copper iron and aluminium. Surface mining has five types. The all five types of mining are used for removing the waste material and overburden with that source which we want to remove.

the areas around the equator

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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