16. The mass of a beaker is found to be 60.2 g. The mass of the beaker plus a substance placed into it is 63.16 g. Calculate the mass of the substance.

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments