PLEASE HELP ME ASAP AND DONT GUES

Newtons second law deals most cosely with

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

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.