Which of the following defines an island arc ?

What is the process that powers plate tectonics

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.

Write the formula for the area of a triangle, a, where b is the base and h is the height of the triangle. don’t include parentheses in your answer.