What evidence tells us that at least some dark matter consists of objects that astronomers call MACHOs (massive compact halo objects)?
Answer: We have detected gravitational lensing of distant objects that appears to be caused by compact but unseen objects in the halo of our galaxy.
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Groups characterized by intimate, warm, cooperative, and face-to-face relationships:
A) informal B) primary C) formal D) secondary
Women who work outside the home have better _____________ than women who primarily stay at home
a) mental health b) familial relationships c) spiritual abilities d) emotional perception
Multinational corporations often funnel money to elites in the Least Industrialized Nations to create a "favorable business climate." In reality, this term refers to the creation of ________ and ________
A) open markets; long-term leases B) government subsidies; massive workforces C) open markets; low taxes D) low taxes; cheap labor
A data collection method that involves administration by a trained interviewer of a survey instrument with closed- ended responses is a
a. questionnaire. b. structured interview. c. face-to-face interview. d. field interview. e. life story.