Question

solve this sheet unnecessary message not allowed I will report you​

Answer 1

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No, as you said earlier, "responsibility" is singualr, so the person holding that position has only one responsibility or whatever he does is considered as one concept, responsibility, but "responsibilities" is plural and the person has more than one responsibility.

The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another. Metamorphic - These rocks form as existing rocks are subjected to intense heat and/or pressure, usually over long periods of time. ...

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