China's population was very young because it had very high birthrates.
Explanation:
Until the 1970's, China had one of the highest birthrates in the world. The country already had huge population and it was the most populated in the world by far, but its population was still rapidly on the rise.
From this population pyramid we can see several things. The birthrates were very high, contributing to high levels of young population. The middle aged people were twice less in number than the young ones. The average lifespan was below average, contributing to small percentage of old population.
While this contributed greatly to the economic rise of China, as it had enormous labor force, the laws that were implemented in this period now have a counter effect. Namely, the government prohibited the people to have more than one child, except with special permission, which now has made a problem as the country is facing the opposite problem, and aging population.
Market failure occurs whenever "free markets fail to distribute resources efficiently".
<u>Answer:</u> Option A
<u>Explanation:</u>
The free market is a supply and demand-based economic system, with minor or zero government control. Market failure take place on the failure of efficient resource distribution, because if the demand of public will not be met on time than self life of product start decreasing and consumers may find alternatives to fulfill needs.
The causes for free market failure may be resulted from following factors like:
- positive and negative externalities,
- environmental concerns,
- lack of public goods,
- under-supply of merit goods,
- over-supply of demerit products and
- misuse of monopoly power.
Answer:
They worked as farmers, merchants, artisans and warriors. They lived in more moderate homes and could not afford as elaborate clothes or art. Regardless, there are several key aspects to consider about the daily life of most Aztec people, such as: clothing, education, entertainment, food, homes, religion and work.
Explanation:
Answer:
d. adrenal; cortisol
Explanation:
Henry works the night shift at a convenience store. He sees a man entering the store with his hood up, hands in his pockets, and eyes darting around. This causes Henry’s stress level to surge. At times of stress, pituitary hormones activate the <u>adrenal</u> gland, which releases other hormones, including <u>cortisol</u>, that travel throughout the body and brain to provide a general "wake up" message
.
The adrenal gland releases cortisol a hormone which increases sugar level in the blood stream, is responsible for alertness and is also important for the fight-or-flight function of the body.
The answer is A. primary pollutant