natural resources (water) Flashcards
What is a hydrological cycle. (2m)
The hydrological cycle is a continuous process of water movement on, above, and below the surface of the Earth. It involves the exchange of water between the Earth’s surface and the atmosphere through processes such as evaporation, condensation, and precipitation.
what is a hydrological cycle? (6m)
The hydrological cycle is a continuous process of water movement on, above, and below the surface of the Earth. It involves the exchange of water between the Earth’s surface and the atmosphere through processes such as evaporation, condensation, and precipitation. The cycle begins with the evaporation of water from the Earth’s surface, which is then transported to the atmosphere. The water vapor in the atmosphere then condenses into clouds, which eventually precipitate as rain or snow. The precipitation then falls back to the Earth’s surface, where it is either absorbed by the soil or flows into rivers and streams, eventually making its way back to the oceans.
The hydrological cycle is a critical process that helps regulate the Earth’s climate and maintain the balance of water on the planet. It is also essential for the survival of all living organisms on Earth.
Name the two important rivers of Pakistan?
The Indus system and the rivers of Baluchistan.
Name any two domestic uses of water?
Drinking, cooking, washing, sanitation.
why do we need irrigation.
Irrigation is the process of supplying water to crops through artificial means such as pipes, ditches, and sprinklers. It is essential for agriculture in areas that have irregular precipitation or insufficient rainfall. Irrigation systems can help secure uninterrupted agriculture, increase crop yields, and enable multiple cropping in a year. Proper irrigation systems can also help reduce the effect of inadequate rainfall and bring more land under cultivation. Irrigation is necessary for the germination of seeds and the general growth of plants. It can also supply the required amount of hydrogen and oxygen, which is important for the proper development of plant roots. Insufficient rain may cause droughts and famines, and irrigation can play a protective role during such periods. Irrigation contributes to economic growth and poverty reduction by increasing production and employment opportunities in the countryside.
What are natural resources?
Natural resources are substances or materials found in the environment that are used by living organisms. These resources can be classified into renewable (e.g., sunlight, wind) and non-renewable (e.g., fossil fuels, minerals).
Name the major types of natural resources found in Pakistan.
Pakistan is rich in various natural resources, including minerals (coal, copper, gold), water resources (rivers, lakes), agricultural land, forests, and marine resources along its coastline.
Discuss the importance of water resources in Pakistan.
Water resources are crucial for Pakistan’s agriculture, which is a significant sector of the economy. Rivers like the Indus support the country’s irrigation system, facilitating crop cultivation and supporting livelihoods.
What role do forests play in Pakistan’s ecosystem?
Forests in Pakistan contribute to biodiversity, prevent soil erosion, and regulate the climate. They are also a source of wood, non-timber forest products, and provide habitats for various wildlife species.
Explain the significance of minerals in Pakistan’s economy.
Minerals such as coal, copper, and gold contribute to Pakistan’s economic development. They are used in industries, infrastructure, and manufacturing, providing raw materials for various sectors.
Discuss the challenges faced in the conservation of natural resources in Pakistan.
Challenges include deforestation, water scarcity, over-exploitation of minerals, and environmental degradation. Sustainable management practices and conservation efforts are essential to address these issues.
How does climate change impact natural resources in Pakistan?
Climate change can lead to shifts in precipitation patterns, affecting water resources and agriculture. Increased temperatures may impact ecosystems and contribute to the melting of glaciers, affecting water availability.
What measures can be taken to promote sustainable use of natural resources in Pakistan?
Implementing conservation policies, promoting reforestation, adopting sustainable agricultural practices, and investing in renewable energy sources are measures to ensure the sustainable use of natural resources.
Examine the role of agriculture in the utilization of natural resources in Pakistan.
Agriculture heavily relies on natural resources, including water and fertile soil. Sustainable agricultural practices are essential to ensure the long-term viability of these resources.
How can the government encourage responsible management of natural resources?
The government can implement and enforce environmental policies, invest in research and technology for sustainable resource management, and promote public awareness and education on the importance of conservation.
