Drought and desertification are closely related phenomena. Persisting over months or years, drought can affect large areas and may have serious environmental, social and economic impacts. While drought is a natural phenomenon, whose impacts can be exacerbated by human activities that are not adapted to the local climate, land degradation is the process of turning fertile land into less or non-productive land. In extreme cases in drylands this is called desertification. Land degradation and desertification are complex phenomena driven by un-adapted human activity in combination with land and climatic constraints. Inappropriate land use, such as monocultures, and unsustainable land management practices, such as deforestation, unsuitable agricultural practices and overexploitation of water resources), can cause land degradation that can be further aggravated by drought.
Answer:
D) Phosphorous catches fire in air.
Answer: The view of time would change from country to country. ... For example if there is only one time zone throughout the world then the time in America and India would be same (infact it would be same for all countries) but if it is 1 pm in India in the afternoon then 1pm in America would still be morning.
Explanation:
This would cause a lot of confusion
Answer:
The Mediterranean climate zone.
Explanation:
(because this zone has mid to warm climate with seasonal rainfall in the winter months helps in the cultivation of grain crops like wheat and barley. Fruits like grapes, figs, walnuts and olives grow well in Mediterranean climate due to ideal soil types and dry summers.)
Answer:
it is said that the Ice Ages began 2.4 million years ago and ended approximately 11,500 years ago.
Explanation:
During this time Carbon-Dioxide (a poisonous and warming gas) levels rose dramatically by about 180 ppm to 280 ppm.
This caused the major retreat of glaciers that ran across continents...
There were other gases but they were in VERY small amounts...
(APART FROM OXYGEN)
