B. Both continental and ocean-floor topography are measured relative to sea level
Explanation:
On a topographic map, both continental and ocean-floor topography are measured relative to sea level.
The sea level is the reference surface for the continental and ocean floor topography.
- A topographic map is a map that shows landform using series of contour lines.
- The lines joins places of equal elevation.
- The elevation is usually referenced to the sea level surface.
- The sea level is taken as the surface with 0 depth or height.
- Continental topography is all places above the sea level.
- Ocean floor is below the sea level surface
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Answer:
Intrusi magma
Explanation:
Intrusi magma dapat memberikan manfaat bagi manusia sebab magma ini ketika keluar menuju permukaan bumi akan menjadi gunung berapi, yang bermanfaat karena menghasilkan tanah vulkanik yang subur. ... Lava dan abu vulkanik dari letusan akan terurai dan menghasilkan nutrisi yang penting bagi tanah
It means a distant or remote family, meaning they aren't very close.