Explain where and how (in conjunction with the nervous system) scientists started when investigating Mad Cow Disease. Why did they start at that location? What did they find?

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

Many dental offices prefer preset trays because the use of these trays or what

If an online school program (i.e k12, ecot) assigns me a computer, would it be ok to use social media on it? would i get in trouble? i am not really sure from reading their terms and such.