Two people who have just had a baby have turned from a to a
primary group; secondary group
dyad; triad
couple; family
de facto group; nuclear family

Two people who have just had a baby have turned from a dyad to a triad.

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.

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when you sing louad enough the vibration of you voice is able to shatter glass so yes vibration is your answer

if this mark brainliest i wolud be happy and have a great day you!