Always swim with a , no matter where you are. A.
partner

B.
bikini

C.
floatation device

D.
hair cap

Which can be an effective way to reduce stress? a) getting in the habit of doing things perfectly the first time b) engaging in a fun physical activity on a regular basis c)taking an antacid for a stress-based stomachache d)studying extra hard the night before a test

What is an important step to prove something is valid or not? determining the reliability observing research testing

The statement defines the use of ethics.