Dams are important because:
They provide water for domestic, industry and irrigation purposes.
Dams often also provide hydroelectric power production and river navigation.
Domestic use includes everyday activities such as water for drinking, cooking, bathing, washing, and lawn and garden watering.
Dams and their reservoirs provide recreation areas for fishing and boating.
They help people by reducing or preventing floods. During times of excess water flow, dams store water in the reservoir; then they release water during times of low flow.
The answer is D. Ecosystems experience change through human activity and natural events
Peru is a mixed kind of economy because being a developing nation it primarily depends on the service sector jobs followed by agriculture and manufacturing.
It has both capitalist market and private ownership regulated by government.
The correct answer is C. The two industries in Maldives that will always be present are fishing and tourism. These are the principal activities where the economy of Maldives is based. For in fact, 28% of the country's GDP is from the tourism industry.<span />
