Carmen is a 68-year-old woman whose husband died a few years ago. Both she and her husband were well-educated and had careers as well-paid professionals; she is financially secure. She would like to marry again. The marriage gradient is likely to affect her experience of mate selection in what way?

17. a graduated standard used to evaluate student achievement is called a: a. rubric b. norm-referenced test c. criterion-referenced test d. multiple-choice question e. guessing penalty

Compare and contrast the impact of global commerce on european and asian dynasties. did any dynasty hold an advantage over others in controlling commercial networks and using them to enrich their societies?

Which of these is a disadvantage of hydrogen fuel cells? a. engines that use hydrogen fuel are more efficient than gasoline-powered engines. b. the only emission produced by hydrogen fuel cells is water. c. hydrogen fuel is continually available and useful for heating. d. hydrogen fuel is often purified in a process that emits lots of greenhouse gases.