Where are most active volcanoes on earth located?

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

The chemical or mechanical process by which rock is gradually broken down eventually becoming soil

At which boundary does subduction stop occurring, resulting in a mountain range?