Question

How does the construction of dams positively affect natural resources? by providing water for irrigation and restoring trees to areas where forests once existed by creating reservoirs, preventing flooding, and renewing destroyed ecosystems by preventing flooding, creating reservoirs, and providing water for irrigation by renewing destroyed ecosystems and restoring trees to areas where forest once existed

Answer 1

The building of dams is an important part of the infrastructure of a country. They positively effect the natural resources in the following way; 

Creating reservoirs and providing water for irrigation by renewing destroyed ecosystems and restoring trees to areas where forest once existed. 

The dams protect the flooding water which protects the water for the use of irrigation. It is used to create other energy resources as well.