Please answer number 9!

2cool and cold temperature unless its an ever green tree 

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 the best answer is d increased stability of all other biomes

The answer is gross domestic product. hope this