Which of the following is an opinion about the events of September 11, 2001? A. They were carried out by a terrorist group called al Qaeda

B. They involved attacks in New York and Washington, DC

C. They involved the hijacking of passenger aircraft

D. They were the most despicable terrorist acts ever committed

Click on  the link  to view information gathered by the organization keep america beautiful. read "the costs of american littering" to find three negative effects of litter in local communities.  based on your research, what are the negative effects of litter in local communities? check all that apply.litter cleanup is very expensive.litter has decreased since 1969.litter is a constant community problem.litter causes property in the community to be less valuable.litter contaminates water and has other environmental consequences.