Which sentences explains the following equation? A. Two helium ions plus an oxygen ion from water.

B. two hydrogens atoms plus one air molecule from water.

C. two helium atoms plus on nitrogen atom form water.

D: Two hydrogen atoms plus one oxygen atom form water.

Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. he has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. chris has used a(n) design for his study.

What specific science discipline do most social engineering attacks rely on when they are being used?

The internet is controlled by: (select one): a. statutes and court cases in federal and state courts in the united states. b. the advanced research projects agency (arpa) and the u.s. department of defense. c. no single government or organization. d. google, yahoo, and the other search engines which have proprietary interest in the content thereon.