Answer:
It's a chemical change.
Explanation:
The ingredients will react together once mixed and heated. Also the ingredients can not be pulled apart.
Answer:

Explanation:
As we know that the radius of the circular motion is given as

time period of the motion is given as

now we know that it is moving with uniform speed
so it is given as

now plug in all data


The b<span>ottom one because it has longer wavelengths and because the bottom ones has 3 wavelengths</span>