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 .
1)Japan 2)South Korea 3)China 4)North Korea
Not completely sure because we don't really know anything about North Korea but this is my guess :)
The answer is (c) January 15
Explanation:
- The phase of the moon is full or it is said to be full moon when the sun,moon and the earth align together.
- From the table displayed below January 15 is date when full moon occurs
Overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Answer:
The atmosphere is composed of a mix of several different gases in differing amounts. ... Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.