please help :/ I really don’t know what to write give ideas examples and if u can write the letter I’ll give u brainliest :/it’s worth 20 points plz don’t answer if u don’t know

Which of the following is an effect that constantine's conversion to christianity had on the roman empire?

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

Who wrote the declaration of independence