Afactor that can vary among people taking part in an experimental study is known as a
a. sample.
b. survey.
c. variable.
d. theory.

Sarah’s friend had been binge drinking and was intoxicated. sarah immediately called 9-1-1

Which of the following statements is a blaming message ? a. “i think we made a mistake.” b. “you’ve messed up everything! ” c. “we can’t mess this up.” d. “i apologize for the error.”

Ana is a hospital researcher. she wants to preserve organs for further study in a chemical that is called formalin. prior topreserving the organs, ana wants to familiarize herself with the hazards of using formalin. ana should consult formalin'sa. materials safety data sheet.b. date of expiration.c. date of manufacture,d. additional laboratory uses,