Answer:
A
Explanation:
When you crumble a piece of paper it make a sound plus i just did on apex
The answer is B. a flashlight uses a battery to operate.
The battery represents the chemical energy. This is converted into electricity, which is converted into light energy.
Answer:
experiment can show the movement of pollutants through the groundwater!
Explanation:
The answers here is B) Before, the substance was a gas, later it was a liquid.
Gas particles move freely and away from each other. However, liquid particles move around each other.
Hope this helps! :)(
a is the correct answer .
2.4 × 10^24
