What percentage of people over the age of 65 depend on other people for basic care?

Which treatment is an absolute last resort for those who do not respond to traditional psychological treatment?

A) Electroconvulsive therapy B) Psychosurgery C) Vagus nerve stimulation D) Psychotherapy

The relation between the physical marks of written language and the meanings we

attribute to those marks is (a) covered by rules that are common across languages (b) the same as the relation between the physical marks and the phonemes (c) like the relation between the phonemes and the morphemes (d) completely arbitrary