Alfred Wegner first used the term Pangaea in describing the theory of o continental shelf
O floating continent
O hyper continent
o continental drift

Magma is outside the volcano  and lava is inside the volcano. 

The answer is b im not sure 

The answer is d. none  hope this .

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.