Which of the following are among the favorite themes of Euripides' plays? 1. A preoccupation with madness or obsession. 2. Frequent use of heroines in his plays. 2. Questioning of religious traditions. 4. Using drama as a vehicle for expressing philosophical arguments.

Though nuclear energy itself releases virtually no air pollution, uranium mining does emit greenhouse gases

Indicate whether the statement is true or false.

In international relations, the theory that nation-states will and should always pursue their national self-interest when they make foreign policy decisions is called:

A. Realism B. Hobbesian C. Idealism D. Kantianism E. Utilitarian