Answer:
Sustainable development refers to development that meets the needs of the present generation without compromising the needs of the future generations.
Explanation:
This definition of sustainable development was first introduced after the Brundtland Commission Report. It explains that humans social, economic, and environmental activities should be done in balance. Also, the Report further noted the driving force behind humans activities is "needs"; and as such this "needs" should be kept in balance.
Answer:
The right approach will be "Eutrophication".
Explanation:
- The mechanism through which a reservoir, body of water, including stream is eutrophic, usually resulting from either the underlying and adjacent land's inorganic and organic overflow.
- Steadily increasing plants, as well as algae production that follows eutrophication, decreases the water is probably concentration of dissolved oxygen and induces other species to die prematurely off.
Answer:
C. flows briefly after a period of rainfall
Explanation:
A wadi is dry riverbed that only contains water seasonally. It usually found in arid regions.
- Wadi derived from the Arabic word Wad which means valley.
- For most part of the year, a wadi is usually dry.
- During a brief stint of rainfall, the bed blossoms with water.
- The bed is found in a valley in most arid places.
- They can hold rain water for a short time before the bed dries up.
