Answer:
How Is Sound Produced?
Sound is a very important part of our life.
Sound helps us to communicate with another person.
Let's discuss some sounds in our daily life.
SOUND IS PRODUCED BY VIBRATIONS
The cover of the drum vibrates.
So, sound is produced when an object vibrates.
Sound is a form of energy which is produced as a result of the vibrations of an object.
Explanation:
Produces heat, putting off air or bubbles and changes the smell or odor it changes the state that’s how you know it is a chemical reaction
Answer:
the oxidation number is 4
Answer:
Germanium and Polonium
Explanation:
Can you please mark me brainliest since I was the first person to answer :p