Answer:
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.
Explanation:
During an eclipse of the sun the high ocean tides on earth are extra high.
I hope this helps.
Answer: Inadequate capital to develop waterways port and for the purchase of vessels.
fluctuation of water levels which makes sailing difficult as a result of rivers passing through dry areas.
Explanation:
Answer:
Option (A)
Explanation:
Gas giants and ice giants are collectively known as the Jovian planets. The gas giants are Jupiter and Saturn whereas the ice giants are Uranus and Neptune. They are called ice giants because they are far away from the sun and the temperature in that region is very cold.
They are both comprised of the atmospheric gases namely hydrogen and helium along with the presence of some other gases such as ammonia and methane. But<u> ice giants and gas giants differ from one another by the presence of a layer that contains the liquid metallic-hydrogen layer in the interior of gas giants</u>. It is absent in the ice giants. This metallic hydrogen layer is quite big in Jupiter than in Saturn, which could be due to the bigger size of Jupiter.
This layer of liquid hydrogen has formed due to the extremely increasing pressure and temperature condition that converts
the gaseous hydrogen into a liquid form.
Thus, the correct answer is option (A).