Apiece of glass is immersed in a liquid. it proceeds to float on the liquid's surface. this shows that the density of the glass is the density of the liquid.

a. more than
b. less than
c. equal to
d. not comparable

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.

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.

Give one example of a pure (exact) number and of an estimated (measured) number.