How many yards down do “ slow slips”occur?

Answer (a) the itcz comes overhead for part of the year; i believe this is correct,plz check first; ///

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.

Sonar is an application of the doppler effect used by submarines.  this test was on k12.