The Aphotic Zone Is

question 6

Multiple Choice

The aphotic zone is

• A) a thin layer, about 100 m or less.
• B) organic substances rain down from the photic zone.
• C) where plants receive enough light to photosynthesize.
• D) all of these.

---

Definitions:

Equilibrium Wage

The compensation level at which labor supply meets labor demand.

Economic Profit

Total revenue minus total cost, including both explicit and implicit costs.

Barbershops

Establishments that provide hair cutting, grooming, and sometimes additional services primarily for men.

Discrimination

Unfair or prejudicial treatment of individuals based on characteristics such as race, gender, age, or sexual orientation.