Help please this is a big grade?

Which statement best explains why an object weight less on mercury than it does on earth

Drag each tile to the correct box. tiles bra i sequence

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.