12. what element is this? how do you know? for question #13, use the following picture:

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Need on both questionswill markbr />

Why are people not able to scuba dive in the deep part of the ocean