Which of the following is correct of tectonic plate boundaries? a. at a divergent boundary, plates separate

b. at a transform boundary, plates move apart

c. at a convergent boundary, plates slide past each other

d. at a divergent boundary, one plate sinks under another plate

Avoltaic cell converts chemical energy to

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?