HEY YALL PLS HELP ME ANSWER THIS QUESTION- THE CORRECT ANSWER SHALL RECEIVE 10 POINTS xx ~What technique is used to separate water from salt water‽

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Why is nh3 classified as a polar molecule

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

One nanometer is equal to how many meters?