Answer the following question: Fact 1: Infection can cause bodily tissues to swell. Fact 2: Antihistamines reduce swelling in mucous membranes and soft tissues. Given the two facts above, what can help with sinus infections?

(1). arteries
(2). hydration
(3). one celled organisms
(4). prolactin release
(5). radiography
(6). Enzymes
(7). antihistamines
(8). aqueous solution
Answer:
(7).