About how long ago do scientists think Earth's last pole reversal occurred?
700,000 years
700 million years
O 7,000 years
7 million years

Ibelieve this is true m8

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.

Don't depend on this but logically i think c