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:
may be a few Chuck's don't know lol
<u>Advantages of airborne gravity gradiometry:</u>
1) consistent regional coverage
2) It is used when the data is large and it is fast
3) It can be used in varied topography
4) This provides multiple information about a constraint to solve it.
<u>Applications of airborne gravity gradiometry:</u>
Ground gravity survey provide detailed characterization and a higher resolution of a survey area and is comparatively cheap and non destructive. Airborne gravity gradiometry can be used in geothermal exploration, field procedures on an aircraft, environmental mitigation measures on an aircraft.
Answer:
Atmospheric pressure, solar winds and higher surface temperature.
Explanation:
- Water on Mars exists in the form of ice and in very small quantities as vapor form found in the shallow martin soil.
- Place where the frozen ice is visible is the north pole of Mars and evidence says that water is present beneath the carbon dioxide ice cap in south pole. With a pressure of 600 pascals, the pure water would freeze or get vaporised.
- The atmosphere of Venus consists of 0.002% of water vapor as solar winds blow away the upper atmosphere and thus the water is lost. Venus has a high rate of rotation.
- About 95% of the surface os covered y the carbon dioxide with a strong temperature variation.
