The process of changing a rock from a solid into magma or lava due to high heat is known as
a. melting
b. erosion
c. deposition
d. crystallization

Answersource rock;

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Conflicts arising from drug cartels and goverment corruption is an issue that would most likely be considered as mexico's most challenging problem of today. the correct option among all the options that are given in the question is the third option or option "c". this problem has continued for a very long time.