A way that an active listener can confirm understanding of a message is to respond.
The answer is source B because it has a listed author who is an expert and it is the governments organization website which are more reliable that a .com website. Source A does not even list the author so you do not know who wrote it could be anyone.
Ability to fight heart disease I think
Answer:
This depends, if your life is at risk because of an illness and there is nothing else to save your life you need drugs, but if it is just abonimal pain in your stomach you could drink water or herbal teal.
Also your culture sound cool.
Explanation:
Hope this helps
Answer:
A. Interferons
Explanation:
According to Wikipedia, "Interferons are a group of signaling proteins made and released by host cells in response to the presence of several viruses. In a typical scenario, a virus-infected cell will release interferons causing nearby cells to heighten their anti-viral defenses."