Answer:
The socioeconomic factors that determine health include: employment, education, and income. Please let me know if im wrong. Hope this helps :).
Answer:
A. They destroy antigens because they are a foreign object.
The Luteinizing hormone (LH) is what you are looking for
Size, cost, and safety are things to consider.
"Cleaning can be difficult" is not a sufficient reason to not buy something. It can be a factor, but everything else is to be taken with much more consideration.
I hope this helps!
~kaikers
