15 pointsss!! Plz help on this question 29

What is the formula of the ionic compound composed of calcium cations and chloride anions

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

Which of these natural resources is non-renewable a. corn b. wind c. geothermal d. natural gas