Answer:
4,700km
Explanation:
In 8 minutes, an earthquake P-wave travels a total distance of 4,700km
Answer:
On most topographic maps, index contour lines are generally darker and are marked with their elevations. Lighter contour lines do not have elevations but can be determined by counting up or down from the nearest index contour line and multiplying by the contour interval. The contour interval is stated on every topographic map and is usually located below the scale.
Aquaculture - growing of plants or animals in freshwater or marine ecosystems
Aquifers - underground source of water
Conservation - responsible use and management of natural resources
Overfishing - removing fish from an area at a rate faster than the fish can replace themselves
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