It is dangerous to cross the arms over when turning because

What refers to the existence of more than one level of government in the country

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.

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above