Iodine (iodine-potassium iodide) staining distinguishes starch ( a polysaccharide) from monosaccharides, a disaccharides and other polysaccharides. Therefore, a bluish black color is a positive test for starch, and a yellow-ish brown color ( no color change) is a negative test for starch.
Answer:
the answer is B, "summer, winter"
Weight is properly defined as how much gravity acts upon an object.
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The answer is dissolved salts
Answer:
all 4 of the middle ones are part of the nucleus