In 1900, 4 percent of the u. s. population was aged 65 or older. that figure was 12.4 percent in 2000, and it is estimated that it will be 20.2 percent in 2050. which phrase refers to this change? a. the "american dream" b. the "graying of america" c. the "american melting pot" d. the "manifest destiny of america"

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location