Wetlands are natural parts of watershed systems. Wetlands provide benefits many benefits. Which of these is a way that wetlands directly benefit humans? - provide nesting grounds for birds

- decrease erosion along shorelines

- reduce flooding in adjacent towns

- increase biodiversity near the ocean

wetlands help us by reducing flooding in adjacent towns

the answer is c because it soaks up the water so it cant flood the towns

Explanation:

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

protistas excret ethanol used in the manufacture of vinegar