Which of the following is an effect of the electric force a : a north pole and south pole repel each other. b: a positive and negative charge attract each other. c: a positive and negative charge repel each other. d: a north pole and south pole attract each other.

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Carbon 14 is a naturally occurring stable

Ain is , is 's of ? 0.62 0.79 1.27 1.50