15. Which of the following BEST defines the big bang?
In several brief shocks, the Milky Way was placed into movement
The Earth started to rotate around the Sun after the big bang.
In one instant, space, matter, and time were created

Based on the trends shown in this chart, which of the following predictions best tell about the u.s. population in 2020? (3 points) i. more than half of the u.s. population will live near an interstate highway. ii. less than one-quarter of the u.s. population will live in urban areas. iii. more than half of the u.s. population will live in suburban areas. i only iii only i and iii only ii and iii only i, ii, and iii