Answer:
A
Explanation:
Ridge Pushing is when a cooler, denser crust sinks into the mantle
I believe that aa rift valley is happening because the two tectonic plates are combining while another plate is going downwards to create a valley. Hope this helps and have a fabulous day!
1. The oldest and most stable part of a continent is craton.
2. A substance that enters Earth's cycles and does harm to living things is a pollutant.
3. The Cenozoic Era is also referred to as the Age of Mammals.
Answer:These are the highest mountains in the world. They provided a nearly impassable border for Ancient China, keeping the area isolated from many other civilizations. They were also important to Chinese religion and were considered sacred.
Explanation:
