The Sketch Above Shows Groups of Stars on the H-

question 48

Multiple Choice

The sketch above shows groups of stars on the H- R diagram, labeled (a) through (e) ; note that (a) represents the entire main sequence while (c) and (d) represent only small parts of the main sequence. Which group represents stars fusing hydrogen in their cores?

• A)a
• B)b
• C)c
• D)d
• E)e

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Definitions:

Long-run Supply Curve

A graphical representation showing the quantities of goods that a producer is willing and able to supply over a period when all costs are variable.

Elastic Supply Curve

A concept in economics describing a supply curve where the quantity supplied changes significantly in response to a change in price.

Purely Competitive Market

An economic structure where numerous small companies, a uniform product, unimpeded access and exit, and absolute knowledge prevail.

Industry Exit

The process by which a company ceases operations in a specific industry, typically due to financial losses, market competition, or changing industry conditions.