Answer:
1. Which continent has the oldest population?Asia and Europe are home to some of the world's oldest populations, those ages 65 and above. At the top is Japan at 28 percent, followed by Italy at 23 percent.
2. What percentage of the world is below the age of 20? more than 147 million people around the world were between the ages of 80-99, accounting for 1.9% of the global population.
3. What percentage of the world is 40-59? 23.1%
4. What percentage of the World is above 60?A worldwide phenomenon
According to the latest estimates, by 2050 there will be 2 billion people aged over 60 (22% of world population). In 2050, world population is projected to be 3.6 times larger than it was in 1950.
5. Knowing these numbers, what problems do you believe may arise from these numbers in 20-30 years?
6. According to the reading, what effect does an aging population have on the world (positive and negative)?
Explanation:
srry i dont know the answers for 5 and 6
I hope this helps
im srry if im wrong
Convective zone I am pretty sure !:)
Answer:
b they do not have a continental slope
Answer:
Magnitude
Explanation:
The height of the lines traced on paper is a measure of the energy released by the earthquake, also known as its "Magnitude"
Usually, the Magnitude" of vibration can be calculated by multiplying the vibration value by itself (10 x 10) and then double it.
Hence, in this case, the correct answer to the question is "Magnitude"