It's because of Plate tectonics.
1. Climate Change.
2. Fire Ecology.
3. Renewable Energy.
4. Urban Ecology
5. Remote Sensing and Geographic Information Systems.
Answer:
After the build up of anxiety from Nationalism, Imperialism and Militarism, the Powers were worried about being attacked by each other.To counter this alliances were formed. Germany made a mystery alliance with Austria-Hungary in 1879. The Alliance System was certainly a prominent reason of WWI.
Explanation:
One negative consequence could be that the economy can't grow and get better.
Answer:
Here, this can be a starting point for you! :) I hope this helps you out, have a nice rest of your day :)
Trench: very deep, elongated cavity bordering a continent or an island arc; it forms when one tectonic plate slides beneath another. Ridge: underwater mountain range that criss-crosses the oceans and is formed by rising magma in a zone where two plates are moving apart.
Stay safe out there!
Sincerely,
Anna