Oxidation - the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-coloured weathered surface.
Answer:
D. Seafloor bedrock is younger near the ridge and older farther away.
Explanation:
In a divergence boundary oceanic plates or continental plates move apart. The plates moves apart causing an uprising of molten magma to form a new crust. The divergent movement of plate is very prevalent in the oceanic plates.
The plates in the oceanic crust moves apart due to the up welling of aesthenosphere materials . These aesthenosphere materials(molten magma) are introduce to the ocean floor through the mid oceanic ridge . As this materials are introduced through cracks and fissures, the plates continue to drift apart. The molten magma later solidified to form a new crust closer to the oceanic ridge. This is why sea floor bedrock closer to the ridge is younger as new rocks are formed here. But as one move farther away from the ridge the rocks become older. This phenomenon provide ample evidence that the seafloor is spreading. The older rocks found father away from the ridge proves the seafloor has been spreading given way for new rocks closer to the ridge.
Answer:
As of 2020, there are 12 countries in South America: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay and Venezuela. French Guiana is an overseas territory of France and not an independent country.
Explanation:
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Answer:
Based on the meteorologist's estimates, the probability of a future tropical storm to originate in the Pacific Ocean and be classified as major is c. 0.17
Explanation:
The total percentage of future tropical storm is 80% which is the sum of tropical storms in the eastern Pacific Ocean and the western Pacific Ocean. However, the problem asks for the total probability of being a major storm. In the eastern Pacific Ocean, it would be <u>0.045 which is 15% of 30</u> (total tropical storms in the eastern Pacific Ocean). In the western Pacific Ocean, it would be <u>0.125 which is 25% of 50</u> (total tropical storms in the western Pacific Ocean). The sum of both probabilities = 0.17, which is answer c.
