What Characteristic Defines a Megacity

question 49

Multiple Choice

What characteristic defines a megacity?

• A) a city that has more than 10 million inhabitants
• B) a city that grows by approximately 1,000 new immigrants each day from overpopulated rural areas
• C) a cluster of small or medium-sized cities, each with population of less than 1 million
• D) a suburban sprawl of developed suburbs
• E) a city that has over 100 high-rise buildings

---

Definitions:

Respiratory Rate

The number of breaths a person takes per minute, a critical vital sign indicating respiratory health or distress.

Osmosis

The movement of water molecules through a semipermeable membrane from a region of lower solute concentration to one of higher solute concentration to balance the concentrations on both sides of the membrane.

Particle Concentration

Particle concentration is a measure of the number of particles in a given volume of liquid or air, important in various scientific and industrial applications to assess purity or contamination levels.

Hydrolysis

A chemical reaction in which water breaks down another compound, often splitting it into two or more substances.