Older People,especially Men,often Have Trouble Hearing

question 51

Multiple Choice

Older people,especially men,often have trouble hearing

• A) low-frequency sounds.
• B) high-frequency sounds.
• C) background sounds with a hearing aid.
• D) None of these

---

Definitions:

Populations

Groups of individuals of the same species living and interacting within a specific area.

Nutrient Cycle

The movement and exchange of organic and inorganic matter back into the production of living matter, a key process in ecosystems that recycles nutrients.

Analytical Economist

An economist who utilizes mathematical models and statistical analysis to understand and predict economic behavior and trends.

Ecological Problem

An environmental issue that arises from the interaction of human activities with the natural environment, often leading to negative impacts on ecosystems and biodiversity.