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Which of the following examples illustrates the rule of attraction called reciprocity of liking?

According to the text, we tend to __________ attractive people more than we do less attractive people.

What is it that keeps localized regions of space, such as things on Earth, planetary systems, star clusters, and whole galaxies, from participating in the general expansion of the universe?

The greatest support for the Big Bang theory of cosmology came from the discovery of

Standard candles, which are important for finding distances to remote galaxies, are

The cosmic microwave background radiation is not uniform over the sky—it is slightly hotter toward the constellation Leo and slightly cooler in the opposite direction, toward Aquarius. Why?

Bea is very pleasant and likes to keep the peace. She finds it difficult to express emotions and internalizes her anger. She has few friends and spends a lot of time alone. According to research, Bea is __________.

Upon arriving at college and meeting your roommate, you sigh mightily as you listen to his endless droning on about how wonderful his girlfriend back home is. “I miss her so much and can’t wait to see her during Thanksgiving break,” he comments. Knowing a bit about social psychology and the rules of interpersonal attraction, what are you most likely to think to yourself?

Aarav doesn’t think that his actions will help change his stressful job. Instead, he adopts the “Smile-the world looks brighter when you do!” coping style to deal with his stress. Aarav is using what type of coping style?

Spiral galaxies are classified in terms of increasing tightness of their spiral arms as types Sa, Sb, and Sc. However, many spiral galaxies are aligned edge-on to Earth and their spiral arms cannot be seen. Which other parameter that is directly related to spiral-arm tightness can be easily seen edge-on and can therefore be used to provide this classification?