What 2008 event is China hoping to use as a Showcase of its reform?
B. summer Olympic Games.
Answer:
An atoll is a ring-shaped coral reef or group of coral islets that has grown around the rim of an extinct submerged volcano forming a central lagoon . Atoll formation is dependent on erosion of land and growth of coral reefs around the island . Coral reef atolls can only occur in tropical regions that are optimal for coral growth. The main Hawaiian Islands will all likely become coral atolls millions of years into the future. The older Northwestern Hawaiian Islands, many of which are now atolls, were formed by the same volcanic hot spot as the younger main Hawaiian Islands .
Answer:
Concentrated in the south
Explanation:
More than 75% of the Canadian population lives in urban centers, and all cities with more than 200,000 inhabitants are no more than 50 km from the United States border. The coastal zones of the Atlantic provinces, east of Quebec and the Saint John's river valley, have the highest population density.
The answer to the question is B. How would marine animals make a huge canyon? I don't think marine animals were by or in this area at the time.
Erosion basically destroys rocks and soil by wind, water, etc. This would have some effect to making the canyon.
Deposition of Sediment means to move rocks and soil that erosion did. The Colorado River is basically inside of the Grand Canyon and then some.
So the only logical answer is B.