Are working mothers given 16 months maternity leave

16 months is way to long it would 16 weeks

Coniferous forest ecosystem

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.