<span>Falling prices for crops and livestock, large debts, decrease in need of food. </span>
Answer:
D. They all have a definite shape
i have a quiz with that question and i got it right
Answer:
It's an example of Demographic trends.
Explanation:
Demographic trend can be defined as the measurable change in the characteristics of a population over time e.g. Change in concentration of a particular ethnic group, age-group, occupation, religion, political view, sex ratio, etc.
Since the population in the U.S. is aging which means there will be an increased need for health care professionals in the future it indicates a demographic trend.
