I also took the test and the correct one should be C.
The length of Shanghai is 676 kilometers or 420 mliles
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
Your formula is --->a=∅r
a=∅r
a=(7π/5)25
a=Answer
hope this helps!
The litosphere is the earth's outermost layer. This is not a whole continuous piece as its crust and topmost mantle is made up of hard and rocky outer surface and is sub divided into tectonic plates. The lithosphere stretches to about 60 miles.