Answer:
why do people hate on people and hate country people. are you country
because they only think about. themselves and they also think that they are always right .
it's my point of view
hope it is helpful to you
Answer:
a constabt force that acts on object that rub together
Explanation:
It is because Friction is the rubbing of one body against another body
<span>Metamorphic rocks will likely form at deep locations, where one type of rock will change into another. At choice (c), 8 km below the surface of the earth, rocks will undergo heat and pressure changes to where they will become other types of rock.</span>
Answer:
Frequency, 
Explanation:
It is given that,
Wavelength of the light- emitting diode, 
We need to find the frequency difference between the two light beams. It can be calculated using the following relation as :
So, the frequency difference between the two light beams is 
. Hence, this is the required solution.
