Help me answer the question please I don’t get it this is earth science not chemistry.

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.

How do you convert 4 mmol of bromobenzene to ml?

What best discribes the relationship between wavelength and frequency in a electromagnetic wave