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Answer:
A.) It is still growing.
C.) The growth rate is slowing down.
D.) The infant mortality rate has decreased.
A sample of evidence:
- Infant mortality—In 1900, out of every 1,000 babies born, 165 died by the time they reached their first birthday. By the year 2000, only 7 babies of every 1,000 died before becoming a year old.
- Increased life expectancy—In 1900, the life expectancy of the average person was about 47. This means the average person lived to be only 47. In 2000, the life expectancy was 76 years old. In 2010, the life expectancy had already risen to almost 79. Live long and prosper!
- Improved health care—Today, doctors know a lot more about disease, nutrition, and the makeup of the human body than they did 100 years ago. Many of the diseases that killed people in 1900—such as measles, smallpox, and chicken pox—have almost disappeared.
- Improved hygiene—Today, people know more about germs and viruses and how disease is transmitted. We keep things a lot cleaner today, and the food we eat is safer as a result. For example, when cities began installing sewers, people's life expectancy jumped up.