Answer:
Population growth is driven by three demographic components: fertility, mortality, and migration. The difference gives us the global population growth in absolute numbers: Every year 141 million are born and 57 million die – this means that we are adding 84.21 million to the world population every year.
Answer:
A. Brushing teeth every hour because one’s mouth feels dirty.
Explanation:
This could be a sign or characteristic of paranoia, anxiety, OCD, or a combination of these illnesses.