The trade route between ancient Egypt and the Indus Valley was approximately ANSWER BAR:
3,000 miles
2,000 kilometers
500 miles

Its led to migrationits led to death 

Answerinflux;

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.

Ithink i might know wait one second let me serve