Which Statement Is the Most Accurate with Regard to the Timing

question 18

Multiple Choice

Which statement is the most accurate with regard to the timing of the onset of puberty in youngsters?

• A) ​The timing of puberty is regulated by environmental forces, but these environmental forces are strongly influenced by genetics.
• B) ​Puberty is something that is uniquely determined by environmental factors, and genetics play no part in when these changes emerge.
• C) ​The timing of puberty is regulated in part by genetics, but these genetic forces are strongly influenced by environmental factors.
• D) ​Puberty is something that is uniquely determined by genetics, and environmental influences play no part in when these changes emerge.

---

Definitions:

Monopolistic Competition

A reiteration with emphasis on a market setting where firms sell differentiated products, allowing each to have some degree of market power, facing a downward-sloping demand curve.

Short-Run Equilibrium

A state in a market where supply equals demand, but only considering a period in which some factors, like production capacity, remain constant.

Constant-Cost Industry

An industry in which the entry and exit of firms have no effect on the prices firms in the industry must pay for resources and thus no effect on production costs.

Long-Run Economic Profits

Profits earned by a firm when all resources are adjusted to their long-term optimal level, indicating the firm is in equilibrium and cannot earn higher profits by altering production.