Which of the following is the presence of painful cramps during menstruation?

Which of the following is true about the nature of dual relationships?

a. They are easy to maintain b. They are not ethical c. They are inherently exploitative d. They are inherently challenging

Which type of viral hepatitis is an uncommon rare strain of hepatitis?

A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis D