Answer:
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Explanation:
<u>Answer:</u>
<em>B. surveying
</em>
Surveying is the method of determining the distance and elevation using instruments and geometry.
<u>Explanation:</u>
Surveying is methodology used to determine the area of the land in real estate sector and infrastructure projects. It is the coalescence of mathematical calculation and scientific concepts. It not only measure the area size, which is also used to measure the elevation like height of Himalayan mountain, dam strength and so on. Survey of India is established in 1767, it is the oldest department in India in engineering field.
Answer:
Gerrymandering gives one political party an unfair advantage in elections by drawing the boundaries of electorial districts to dilute the voting power of minority groups.
Weather can change from year to year. That means the flood risk level can also change yearly. Studying 18 years of data makes it possible to identify which areas are most prone to flooding. It provides a more accurate picture of where resources and funding for flood control would be most effective.
Salt levels and different wild life that lives in them can make seas different from each other.
Hope this helps
