The main function of coordinating conjuctions is to connect two simple sentences into a complex one, and also to connect words and phrases. There are seven coordinating conjunctions which you have to learn by heart: And, but, for, nor, or, so, yet. Knowing these words will help you to identify <span>sentences that contain a coordinating connection.</span>
The answer is (b.) All states. All 50 states in US now have 21-year-old minimum drinking age laws.According to the National Drinking Age Act of 1984, anyone who will allow a person who is 21 years old and below to purchase any alcoholic beverages will be punished by deducting 10% in his/her federal highway apportionment.