10. What is the primary responsibility of the upper respiratory tract? OA. The internal exchange of gases
OB. The delivery of oxygen throughout the body
OC. The contractions and relaxations that initiate the lungs' inhalation and exhalation
OD. The intake and filtering of oxygen from the environment

What does the sociological imagination refer to?

How can a person  best  reduce the risk of injuries on the road?  

Jen is reviewing information about a new treatment for arthritis pain that she saw on an informational website. most of the information is testimonials from satisfied users. which best indicates that this information is unreliable? it is not paid for by product sponsors. it is on a website that is not run by professionals. its claims are based mostly on anecdotal evidence. its claims are not supported by the provided information.