20. The Rock Cycle
Erosion
Igneous Rock
Sedimentary
Rock
Atatting
Voican Acbny
Melting
Mest and Pressure
Erosion
Hoat and pressure
Magma
Metamorphic
Rock
blotting
According to the diagram, metamorphic
rock can form from
A igneous rock only.
B magma.
C igneous rock or sedimentary rock.
D sedimentary rock only.

B magma

Explanation:

because magma comes before metamorphic

hoped that helped

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

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