Which is most likely to occur during a chemical reaction? Atoms of the original substance or lost. Mass is conserved. The original substance maintains the properties. New atoms are created.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

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

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.