Because they are not man made and are part of the earth's natural features caused by the the weathering and erosion of the earth.
Answer:
I think it would be 35.82
Explanation:
24:67*100=
(24*100):67=
2400:67=35.82
The outer core heats the mantle on convection currents.
Hope this helps!
Explanation: Hello, the reason was because the titanic hit an iceberg