Which of the following is the largest mass of lymphoid tissue and serves to filter
the blood?

How does alcoholics anonymous people deal with alcoholism? a. it holds meetings where alcoholics and their family members can gather and discuss how alcoholism affects their lives. b. it encourages alcoholics to commit themselves to sobriety by sharing their past experiences and future goals, c. it focuses on alcoholism as a physical disease, instead of a mental problem that can be cured with the right treatment.

Ab+cd-> ad+bc is what kind of reaction

How could you find out if that advice is based in scientific evidence?