After looking at the photograph given above, one sedimentary rock that probably metamorphosed to form rock on unit 6 is called limestone. You can also use the sedimentary rock called dolostone. Both will be acceptable answers to this question.
Answer:
a volcanic mountain is formed by the oceanic plate going under the continental plate causing the formations of trenches and mountains, the friction caused by the oceanic plate sliding under the continental plate makes enough heat for it to become volcanic.
Explanation:
Answer:
increases as you approach the poles
Answer:
mountains and highlands, river basins, and coastal plains. Mountains and coastal plains generally run in a north-south direction, while highlands and river basins generally run in an east-west direction.
Global water supply is currently a troubling issue. The world's population size is steadily increasing, without the increase in water supply, leaving many to fear an impending shortage.
Freshwater is not evenly distributed across the globe and desalination of water is one solution put forth, but it also comes with its own challenges such as: being very expensive, requiring large amounts of energy, harsh impact on marine life, water being a commodity controlled by large corporations, and emissions having a harsh effect on environments.