A parte de la sismicidad, existe otro fenómeno también relacionado con la actividad tectónica, el cual se debe al aumento progresivo de energía en ciertos puntos de la corteza terrestre, causado por la presencia de magma, gases y reacciones químicas. a)Tectonismo
b)Vulcanismo
c)Terremotos

D. latin america followed by africa

Ithink that it’s mali

Radius energy 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.