Topic 4.2 Access to Fresh Water

Front

What is irrigation?

Back

Irrigation is the process of supplying water to agricultural fields to assist in the growth of crops, especially in areas where rainfall is insufficient.

Front

Which crop requires the most water to produce 1 kg of food?

Back

Beef requires the most water to produce 1 kg of food compared to other crops like wheat, rice, and chicken.

Front

What is desalination?

Back

Desalination is the process of removing salt and minerals from seawater to produce fresh water suitable for consumption and irrigation.

Front

What is the main reason for the increasing demand for freshwater?

Back

The increasing demand for freshwater is primarily due to industrialization, human population growth, and agricultural irrigation.

Front

What is a reservoir?

Back

A reservoir is a large natural or artificial lake used to store water for various purposes, including irrigation, drinking water supply, and hydroelectric power generation.

Front

What is the impact of industrialization on freshwater demand?

Back

Industrialization increases freshwater demand due to the need for water in manufacturing processes, cooling systems, and waste management.

Front

What is the role of fishing technology in freshwater demand?

Back

Fishing technology advancements do not significantly contribute to the increase in freshwater demand compared to other factors like population growth and agriculture.

Front

What is the purpose of rainwater harvesting?

Back

Rainwater harvesting is the collection and storage of rainwater for reuse, helping to enhance water supply and reduce dependence on traditional sources.

Front

What is artificial recharge of aquifers?

Back

Artificial recharge of aquifers involves methods to replenish groundwater supplies by directing surface water into underground formations.

Front

What are the environmental impacts of large dams?

Back

Large dams can disrupt local ecosystems, displace communities, and alter water flow patterns, affecting both aquatic and terrestrial habitats.