In which way does asexual reproduction differ from sexual reproduction?

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.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

What term describes technology that operates on an atomic level