Mountains are rich in natural resources, but they also block movement and trade and isolate regions and people.
Answer:
It's an Angular Unconformity.
Explanation:
Please list what the following options are.
The common geographic factor for Egypt and the fertile crescent were the big rivers, they made big alluvial deposits on their shores each year and allowed the people to have sufficient amount of food production. That opened the gates for civilizations to flourish in this places.
When the plates are moving, they go up against each other and go along each other and when a 'non-matched' piece comes, they hit causing an earthquake.<span />