Answer
A sonic boom is a continuous effect that occurs while the object is travelling at supersonic speeds.
For radio broadcasting, in electricity meters, in any generator.
Answer:
There are five signs of a chemical change:
Color Change.
Production of an odor.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid)
Explanation:
I just went ahead and gave you the five signs of chemical change hoped it helped
