Countries similar in size to puerto rico

Acity developer is considering building an amusement park near a local river. what tool would the developer predict the future path of the river? a. series of city maps from nearby cities b. series of topographic maps in chronological order c. guide map of the new amusement park d. thermal map of the area

What would be the distance of all the planets to the sun in astronomical units?

The us and canadian governments are doing all of the following to combat environmental problems except a. encouraging the use of public transportation b. enacting clean water policies c. requiring emissions testing d. limiting animal populations in some regions