[Will give brainliest to whoever answers correctly within 30 minutes] Describe one economic consequence developed countries face as their populations age.
(no links or answering just for points I will not hesitate to report you)

Ayellow line means traffic on either side may cross the center line to pass another vehicle. a. single solid b. double solid c. single broken d. double broken

Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.

What is the top speed in a parking lot? a. 10 mph b. 20 mph c. 25 mph d. 30 mph