What is chlorine's atomic number and mass

What is the correct term for living the most sustainable life you can within your current circumstances?

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.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false