A chemical reaction in which one element replaces another element in a compound can be categorized as a combustion reaction.
decomposition reaction.
single displacement reaction.
double displacement reaction

In which of these cases are the two wave points considered to be in phase with each other?

How is the shape of the poem “peer” connected to its meaning?

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium