Which type of plate boundary would be most likely to lead to above-ground volcanic activity? collisional divergent boundary transform subduction

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

What is the molar mass of a gas that has density of 2.054 g/l