Assume you are rolling two fair dice once. The probability of obtaining a sum of 2 or 12 equals _________

During the ____________________ stage of childbirth, the uterus contracts and the cervix effaces and dilates

Fill in the blank(s) with correct word

A microworld is a

a. geographically delimited community in which it is feasible to conduct controlled social experiments b. lab-based cultural simulation in which very simple social and psychological processes can be studied c. circumscribed geographical region that has been environmentally damaged and serves as a source of research data d. computer-based simulation that mimics real-world conditions