Apparent depth is dangerous for swimmers because
<span> When you look vertically downwards into a </span>swimming<span> pool full of water the bottom seems closer than it. </span>If the pool is really deep and it doesn't look deep to you that's not good cuz if you don't know how to swim in deep water you might drown.
Hope this helps ;)
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23 25, 27,29 if we add 3 numbers From this we get the answer 30
Westkost [7]
Answer:
none of these numbers added equal 30
Explanation:
it is impossible to get 30 when you have three odd numbers
Wavelength is the length from one peak of a wave to the next, while frequency is the amount of waves present in a unit of time. The greater the wavelength the smaller the frequency. The smaller the wavelength, the bigger the frequency.