Reflecting telescopes are popular because they are more durable than a refracting telescopes.
There is a difference between these two types of telescopes, reflecting telescopes worked by reflecting light, they are also known as reflector and refracting telescopes worked by refracting light and they are also known as reflactor.
Reflecting telescopes also provides a good focus.
Answer:
It is Conductivity because it is the measure of the ease.
Answer:
I would say the answer is A... but I'm not so sure ....
Answer:
Explanation:
Newton's Gravitation Law

where G is a constant, M and M the masses e d the distance betwen masses.
