The main idea is answer choice A.
I would say c is the correct answer as if there is a low birth rate, when the population ages you are going to have lots of people retiring and not as many people working and paying taxes so pressures on pensions and social security programs will rise. Hope this helps :)
Answer:
No Evidence That Earth is Flat coz it is always spherical
13 is the 3rd one
17 is the 2nd one
18is the 3rd one
24 is the 3rd one.
Hope this helps!
It would be the Bloom of the automobiles.
