Senators represent people from the ?

When would the government be allowed to limit what people say? a. the government may prevent individuals from engaging in "hate speech" b. the government may prevent individuals from engaging in "symbolic speech" c. the government may prevent entertainers from using foul language d. none of these are examples of permissible limitations on the freedom of speech

From where do ocean waves obtain their energy

I'm in a few lessons on eastern europe and i need me don't leave me hanging. : {