Answer:
B. He granted freedom of religion in the Roman Empire is your best answer.
Explanation:
A is just one of the results occuring after he ended the persecution of Christians.
For C, he did not "introduce" Christianity, but he legalized it and made it the official religion of the Roman Empire.
For D, the Roman Empire was already a pagan empire, and Constantine made it a Christian Empire.
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Answer:
Psychopharmacotherapy
Explanation:
Psychopharmacotherapy is basically the treatment of psychiatric disorders through the use of medications.
I hope this helps!
Answer:
Speed of sound wave v=νλ=2000×0.35=700 m/s
Distance d=1.5 km=1500 m
Time t=vd=7001500≈2 s
