What crustal features are created from convergent plate boundaries? List FOUR. Quick please!!

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Describe the forces both attractive and repulsive that occur as two atoms move closer together.