Answer:Which condition must exist in order for conduction to occur between two substances? The molecules of the substances must be touching. Both substances must be the same temperature. At least one substance must be a liquid.
Explanation:
K,F potassium , fluorine form ionic bond,
During either one, the sun, moon, and Earth are lined up in the same straight line. The difference is whether the moon or the Earth is the one in the "middle".
The speed would be in a decimal? Or do you want it in a fraction?
3 protons should be your answer
