Aperiod of one year on earth is the time it takes earth to a. travel to the sun and back to its orbit. b. change from autumn to spring. c. make one complete rotation on its axis. d. make one revolution around the sun.

D make one revolution around the sun hope this helps

would be false hope this out

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.