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In grade 10 you have studied the rock cycle, you think the first rock cycle began when A- The first igneous rock was formed B- The first gases were formed C- The first rain was fallen D- The first meteorite was fallen

Question

In grade 10 you have studied the rock cycle, you think the first rock cycle began when A- The first igneous rock was formed B- The first gases were formed C- The first rain was fallen D- The first meteorite was fallen

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Solution

The first rock cycle began when A- The first igneous rock was formed.

Here's a step-by-step explanation:

  1. The rock cycle is a process that transforms one type of rock into another. The three main types of rocks are igneous, sedimentary, and metamorphic.

  2. The rock cycle begins with magma, or molten rock beneath the Earth's surface. When this magma cools and solidifies, it forms igneous rock.

  3. Over time, weathering and erosion can break down this igneous rock into small particles, which can then be transported and deposited in layers. Over time, these layers can harden and form sedimentary rock.

  4. If this sedimentary rock is then subjected to high temperatures and pressures, it can transform into metamorphic rock.

  5. If this metamorphic rock is then melted, it can form magma again, and the cycle can start over.

So, the first rock cycle would have begun when the first igneous rock was formed from cooled magma. The formation of gases, the falling of rain, or the falling of a meteorite would not start the rock cycle.

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