The answer is Sodium Fluoride
Answer:
The consequences of floods can be disastrous because after a flood occurs, people may not be able to go outside because there can be unseen wires in the floodwater and the impact of arriving floods can knock down power lines causing people not being able to call help and they would having to be more cautious of where they step.
Hope this helped :]
JJ Thompson discovered subatomic particles, focusing mainly on the electron
Build up of FRICTION has been used to try to predict earthquakes, should be the write answer.
