I think it is 4 cm because if you look hard enough and work the problem the number pops in you head. Lol
Answer:
<h2>Yes.</h2>
Explanation:
If we want to "disable" astham attacks, that would imply too many restictions for those people who can suffer from these attacks. For example, in order to avoid these attacks, they couldn't do sport activities, because that would alter their respiratory system, which occasionate astham attacks.
Therefore, this statement is true.
Radio waves have the lowest radiant energy, hope this helps :]
Unit lb mean pound. Which equals to about 0.45 kilograms(kg) /4536 grams,while 1kg equals to about 2.2lb.
Hope it helps!
It's refraction....When light bends on passing from one medium to another is refraction !