GEOLOGY- Consider plates on either side of an ocean-ridge boundary. How are the plates moving with respect to the boundary? (1 point)
A. slide along it
B. move toward it
c. moving away from it

In 2002, the rare earth elements mine in mountain pass, california was closed because

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.