Your answer is the last option, the explosion of fireworks. This is because all of the other options are physical changes because they don't change the substance, they only affect it in some way. However the explosion of a firework clearly changes a substance inside the initial 'rocket' into fireworks.
I hope this helps!
Answer:
B.
the process by which rocks are broken down into sediment
I know this isn't the answer but here's an English translation
<span>The saturated vapor pressure of pure water at 20 ° C is 18 mmHg. If at the same temperature as much as 120 grams of x-substance dissolved in 990 grams of water, the vapor pressure of the solution becomes 17.37 mmHg, calculate the relative molecular mass of the substance x?</span>
Answer:
holding a basketball in the air
Explanation:
the ball has potential to have a certain amount of energy but hasn't exerted it yet.
Answer:
The moon
Explanation:
The answer is A; Sorry i put the wrong answer by accident. I was trying to get to another question.
Give the answer below brainliest!!!
