The other 2 answers that didn’t fit in the picture were
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c. it manufactured nearly as much as the united states by 2003
d. it manufactured less than germany in the period covered by the graph

Answerstratovolcanoes///near or in the ring of fire;

Answer (d) may increase or decrease porosity through dissolution or deposition;

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.

Largely uneconomic because they provide little profit or food surplusi think so