Prayer is practice of remembrance, as is meditation, spiritual chanting, and spiritual study

The functional magnetic resonance imaging (fMRI) technique is used to

a. record the electrical activity of individual neurons. b. induce the secretion of neurotransmitters from neurons. c. record the neural activity of particular brain regions. d. localize receptors within brain tissue sections. e. electrically stimulate neurons.

A farmer applies pesticides to a crop to save it from insect damage. Although the farmer benefits immediately from using pesticides, other farmers follow suit and the local water system is eventually damaged permanently. This is an example of

a. a carbon-neutral lifestyle. b. the cost-benefit ratio. c. learned helplessness. d. the tragedy of the commons.