Is this a noun or a verb? “at the stroke of twelve, the new years began.

Who gave the famous "i have a dream" speech at the march on washington?

Risk of harm in social and behavioral sciences generally fall in three categories, which are: breach of confidentiality, loss of autonomy, and study proceduresstudy procedures, breach of confidentiality, and loss of employmentinvasion of privacy, adverse reaction to study drug, and discriminationinvasion of privacy, breach of confidentiality, and study procedures

What are the state's top three naturally produced minelars?