<span>the picture bellow gives you all the answers, this picture was given to my class by my science teacher a few years ago so it is accurate
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It’s burning wax. All of the other options are physical changes .
HBr is the most powerful and dangerous acid .
Explanation:
A strong acid is one that instantly disunites or grants its protons in suspension. HBr is a strong acid. HBr is powerful than HCl or HF because the overlapping of a 1s-orbital and a 4p-orbital is surprisingly small, thus the binding is weak so splitting is very easy..
Answer:
Because Earth rotates on its axis from west to east
Explanation:
They travel like waves. Just throw rock at lake you will see wave. When it bumps to barrier barrier reflects some part of it . Not like a line lika a wave
