If both of them were travelling anti parallel to each other. (parallel but in opposite directions)
Answer:
Hydrogen and part oxygen
Explanation:
Water is composed of these two which makes the symbol H20
<span>A client who is unable to speak logically or follow directions, with the added information from his family that the client has been under a great deal of stress for about 6 months, then more than likely the client is experiencing exhaustion. Exhaustion is a state of extreme physical or mental fatigue.</span>
Igneous. Igneous forms when lava cools off. :)
It would be B. i hope i helped you out, have a nice day