When two waves come in contact with each other while traveling on the same medium, its called constructive interference. Constructive interference happens when two waves come together.
Answer:
CH3Br ( Methyl Bromide )
Explanation:
H9 C3 Br3 => rewrite as: C3H9Br3 => actually, this is 3 moles of molecule CH3Br !
C3H9Br3 ~ 3( CH3Br)
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The Moon<span> moves </span>around<span> the </span>Earth in<span> an </span>approximately<span> circular </span>orbit<span>, going once </span>around<span> </span>in approximately<span> 27.3 </span><span>days. </span>The moon orbits quite fast: it moves about 0.5 degrees<span> per hour in the sky. So, its average movement in a day is around 13 degrees. 5 days x 13 degrees is approximately 65 degrees. </span>