Which features form near convergent oceanic plates? select the two correct answers.

trench
volcanic arc
mid-ocean ridge
island arc

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km