Professor Henry is preparing a traditional Thanksgiving meal and decides to make some turkey soup. He uses part of the leftover turkey and adds carrots, celery, and onions. He cools the soup in the refrigerator overnight, and the next morning he notices an undissolved layer a fat floating at the top of the soup. This top layer of fat is a)hydrophilic substance b) monosaccharide c)polysaccharide d)hydrophobic substance e) disaccharide

D) Hydrophobic Substance

Explanation: The answer is Hydrophobic Substance because any organic substance such as fat or oil are hydrophobic because they for the most part contain hydrocarbs, which form non-polar bonds.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.