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An atom of element a has 73 protons. what would the element's atomic number be?

1. develop an action plan to deal with each of the following scenarios. a friend offers you a cigarette. (2 points) you go to a party and see they are serving alcohol. (2 points) a student offers to sell you some marijuana. (2 points) a friend comes to your house and asks you if he or she can take drugs out of your parents' medicine cabinet. (2 points)

Which factor contributed to the rise of african empires such as ghana and mali?