New crust forms AT OCEAN RIDGES. The correct option is D.
Middle ocean ridges are the boundary that occur between tectonic plates and they are the locations where the plates move away from each other. At the edges of the ridges, magma from the underneath mantle erupts, cools and become solidified, thus forming new ocean crust.
Answer:
The Andes were formed by tectonic activity whereby Earth is uplifted as one plate (oceanic crust) subducts under another plate (continental crust). To get such a high mountain chain in a subduction zone setting is unusual, which adds to the importance of trying to figure out when and how it happened.
Explanation:
Answer:
https://www.greenfacts.org/en/ecosystems/index.htm#1
Explanation: this would help you to find the answer ,is a brief summary
Answer:
Africa has a population of 1.216 billion.
Explanation:
- Africa is the world second largest continent in terms of the land surface and the also in terms of the population size and thus is about 30.3 million km of the landmass and covers about 6% of the earth total land surface and thus accounts of the 16% of the world population and the continent is surrounded by the mediterreense sea in the north and the Suez channel and the red sea in the northeast.
- <u>They have young population with an average of mean age of 30.4 population per km square of the land surface and thus hod a great divers and ethnic population, the climate of the African landmass is tropical top subarctic, and its population has rapidly increased over past 40 years and will go increasing and more than half of its population is under age of 30. </u>
