Joey was rollerblading without a helmet and landed on his head. In the last two weeks since the accident, he has not been doing well on daily quizzes even though he attends all classes and understands the concepts when they are being taught. Based on those symptoms alone, Joey likely damaged his and is having trouble .

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.

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

Which statement about spreading knowledge of diseases and health around the world is correct?