Why are children in low income neighborhoods more likely to be less physically active than children in other communities?
a. their homes are not close to parks and playgrounds
b. they are allowed to skip physical education classes at school
c. their communities are not interested in public health
d. their parents do not allow them to participate on sport teams

Which of these should be re portable health diseases to protect public health? a- obesity b- measles c- diabetes d-lung cancer

How can mental health issues have an impact on a person’s career?

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent. i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious. ii. microscope. iii. culture the substance on nutritive medium, away from any plant cells. iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious. if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv