According to robert sternberg's three components of love, which component addresses the physical aspects?
a. intimacy
b. passion
c. commitment
d. concern

The two-factor theory of emotion was proposed by

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment. b. the allocation of resources between private markets and the public sector. c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t. d. differences in productivity. e. ones that think at the margin and respond to incentives and those that don’t.

Refers to the biological heritage people use to identify themselves.