A bucket of dirt! Dirt or soil is a mixture of many particles. Each kind of particle in a bucket of soil has unique properties. Here are four particles that make up soil What property would you use to separate the four particles?
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Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?