Mount saint helens the great lakes in death valley are physical features of the earth what is the scientific term used to describe these features

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

Dwould be tehr correct answer

Answer commensalism