when an optical telescope located on the ground is used to view the sky the image has to surpass through the earth's atmosphere which is polluted. so the resolution wont be clear. When viewed on a mountain top both optical and infrared telescopes would perform better as the air above the atmosphere is less depth and cleaner.
b
the color of lines
Explanation:
on the atomic spectrum for an atom
Answer:
AgCl + H2 - Chemical Equation Balancer.
