Wavelength<span> is the distance between one point on a wave to a point on the same part of the next wave. </span>Wavelength<span> is usually measured from crest to crest or trough to trough. The crest is the highest point of the wave, and the trough is the lowest point. Amplitude is the maximum displacement of the wave.</span>
A ribosome coordinates translation.
<span>People in some countries eat little or no meat. They are getting much of their protein from vegetarian protein sources.
</span><span>Fish is one of the major sources of animal protein around the world.
</span><span>Fish is the main source of animal protein in many developing countries, providing over 50 percent of the animal protein consumed in some areas, according to the Food and Agriculture Organization.
</span>In some developing nations, the percentage <span>of animal protein from the fish in the diet can be high as the percentage of animal protein from red meat (beef and pork) in America.</span>
