Question

1. which of these best describes the reason for the very rapid growth of the human population in more modern times?

a. the absence of limiting factors
b. the rise in income
c. improved health care, hygiene, and technology
d. an increase of earth’s natural resources

Explanation:

To determine the reason for rapid human population growth in modern times, we analyze each option:

• Option A: Limiting factors (like disease, resource scarcity) still exist, so this is incorrect.
• Option B: A rise in income alone doesn't directly drive population growth; it's more about access to resources and health, so this is not the main reason.
• Option C: Improved healthcare reduces mortality (fewer deaths from diseases), better hygiene prevents illness, and technology (e.g., in agriculture, medicine) supports more people. These factors allow populations to grow rapidly by increasing survival rates and supporting more individuals.
• Option D: Earth's natural resources are finite and often strained, not increasing to support rapid population growth.

Answer:

C. Improved health care, hygiene, and technology