The Andromeda Spiral Galaxy Is Almost Edge-On to Us

question 139

Multiple Choice

The Andromeda spiral galaxy is almost edge-on to us. Astronomers have detected the orbital motion of this and other such galaxies' disk material by

• A) using Hubble's law.
• B) the big bang theory of 3-Kelvin radiation.
• C) the steady state theory.
• D) measuring Doppler shifts of different parts of the disk.
• E) watching the stars travel around the nucleus back to where they started.

Describe how equilibrium price and quantity are affected by changes in supply and demand in different market periods.

Explain the impact of price changes on quantity supplied for products with different elasticities of supply.

Analyze the unique characteristics and outcomes of perfectly inelastic and perfectly elastic supply conditions.

Interpret diagrams and data related to supply, demand, and elasticity.

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Definitions:

Second Job

Employment taken in addition to one's primary job, often to earn extra income.

Full Time

Employment status in which an individual works the maximum number of legal hours defined by the employer, often with benefits.

Business Profits

The excess of revenues over expenses for a business operation, indicating the financial success of the company.

Income

The money received, usually on a regular basis, for work or through investments, which affects consumer spending and saving decisions.