Answer: approximately 6.28 m
Explanation: C = 2 π r
D = 2 r
C = d = π x 2 ≈ 6.28319 m
I'd say D, as we don't affect the earth as we get more of it.
It becomes a metamorphic rock, hence the name. Its "metamorphosis" is brought on by the heat and pressure.
A sheltered body of water next to the shore is called a harbor. ✅