Population. Hope this helps :D
Answer:
Melting would have caused denser substances to sink toward the center while less-dense materials would have migrated to the crust.
Explanation:
Answer:
Aleutian Islands are Islands. The Andes Mountains are mountains. The Aleutian Islands have 14 large volcanic islands and 55 smaller islands.
They are both in South America
Explanation:
Answer: <u>A metal </u>is rare on Earth but relatively abundant in iron-rich meteorites. It has been found in widespread layers on Earth and it's date of deposition coincides with the major extinction of life on Earth 65 million years ago, possibly indicating a connection between a large impact and this extinction.
Explanation: That metal would be iridium