安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Water Shortage: Causes and Effects | Earth. Org
Today, around 70% of freshwater withdrawals go into agriculture, from irrigation and pesticide to fertiliser application and sustaining livestock As the global population continues to grow, agricultural production is required to expand by another 70% by 2050 to keep up with demand, thereby redirecting even more freshwater resources
- Chapter 7: Water Availability and Use Flashcards - Quizlet
Study with Quizlet and memorize flashcards containing terms like Approximately 97% of all water on Earth is found in what reservoir? Oceans Lakes Streams Groundwater Glaciers and ice caps, The majority of freshwater, whether accessible to humans or not, is contained in what reservoir? Ocean Lakes Streams Groundwater Glaciers and ice caps, You are studying a river and notice that it contains
- Agricultural nitrogen pollution is global threat, but . . .
The huge reduction in chlorofluorocarbon (CFC) production achieved by the 1987 Montreal Protocol has now made nitrous oxide the dominant ozone-depleting substance emitted by humans
- ENVS 10 Chapter 14 16 Flashcards - Quizlet
The generation of electrical power _____ A) has steadily decline over the last 20 years as energy efficient products have come to the market B) consumes more than half of all the oil used annually by the United States C) depends upon primary energy source such as coal or hydropower D) consumes nearly 75% of the fossil fuels in the United States
- Local food crop production can fulfil demand for less than . . .
Globalization has significantly transformed food production systems 1 Increasing trade linkages have enabled countries to rely on imports rather than producing commodities themselves 2, thereby
- Reconciling irrigated food production with environmental . . .
Global agricultural intensification through ever-increasing resource use is a main driver of current transgressions of ‘planetary boundaries', that is, critical global and regional levels of
- Environmental Science Flashcards - Quizlet
Chapter 3 2Choose the true statement about water on Earth Learn with flashcards, games, and more — for free
|
|
|