Based on the Observed Red Shifts in the Spectral Lines

question 34

Multiple Choice

Based on the observed red shifts in the spectral lines of distant galaxies,astronomers conclude that ________.

• A)Earth is in the center of the universe
• B)the universe is contracting
• C)the universe is expanding
• D)the universe is in a steady state

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Definitions:

Positive Emotions

Emotional states or feelings that are desirable or pleasant, such as happiness, joy, love, and excitement, contributing to overall well-being.

Adaptive Significance

The extent to which a trait or behavior enhances the survival and reproductive success of an organism within its environment.

Heart Disease

Heart disease encompasses a range of conditions affecting the heart, including coronary artery disease, heart rhythm problems (arrhythmias), and congenital heart defects, among others.

Social Readjustment

The process of adjusting to new social roles or norms, often resulting from significant life changes or stressors.