How does the theory of inflation explain the near-uniformity of the cosmic microwave background?
A) Prior to rapid inflation, all regions of space were close enough to bounce radiation back-and-forth and reach the same temperature.
B) Matter expanded into regions of space that had no matter, and thus ended up at the same temperature.
C) The expanding universe would have cooled.
D) Matter was near the critical-density for a universal collapse, which smoothed out the differences in temperatures.
Question 2
Place the following items in order of actual physical size, from smallest to largest.
A) planets and stars are about the same size, solar system, galaxy
B) star, planet, solar system, galaxy
C) star, planet, galaxy, solar system
D) planet, star, galaxy, solar system
E) planet, star, solar system, galaxy
The endosymbiosis theory
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
E9-23 Prepare income statements Explain the difference in operating income
Social scientists have not done well at devising theories to explain lovely romantic moments
A Sociological Timeline of Major Figures in the Development of Sociological Theory, 1820–1960
The James-Lange Theory of Emotion