When the frequency of a wave is high, that means its wavelength must be

The dispersed phase is liquid and dispersed medium in milk is liquid

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.

Fine out your self ponk

Use a magnet to separate iron, evaporate water, i'm not sure how to separate the other two i'm sorry but good luck