Answer:
White
Explanation:
When all colours of light is reflected; it invariably combines with itself to give white
People first arrived in the Americas through Bering Strait. At the time the Strait was either partially frozen, so people could just walk, or very shallow, so people could travel with primitive boats.
Answer: B) Two-thirds of the Senate must concur.
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.
