Answer:
I think the best answer is (5) because catalyst are known to speed up a reaction without being changed
Just an example.. This can affect people because it can cause people to bring umbrellas wear rain coats of it were to rain.
HCI is one of the most common acids out of the following
It doesn't because pepper does not dissolve
Answer:
I hope this link helps you.
Explanation:
http://astronomy.swin.edu.au/cosmos/P/Phases
