Scientists believe that the Earth's shape is changing because of A. new land being formed by the rock cycle

B. weather patterns shifting water and soil

C. changes in the Earth's elliptical orbit

D. damage done to the Earth's surface by meteorites

The answer is A (New lands being formed by the rock cycle)

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.

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