Of the following people, who could serve in the military under the "Don't Ask, Don't Tell" policy?

The __________ was designed to improve the quality of water for swimming and fishing

Fill in the blank with the correct words.

Textbooks in the United States

a) have to be approved by the federal government. b) are always chosen by state-wide committees. c) have become more heterogeneous in content since the 1960s. d) None of the above