Answer:
I do believe your answer is D: Most of Earth's mantle is always moving.
Hopefully this helped! :D
Answer:
A) The driver would have gotten into a car accident if he had been talking on the phone.
B) If the lights are off, there is nobody home.
C) He must be an educated person if he has subscribed 'The Hathmandu Post'
Answer:
6. Introduced
7. Was. ⁷'² Did not/didn't have
8. To come
9. Was calling
10. Listening ¹⁰'² Drives
11. watched
Communication can change us in different ways. So it depends on what you're talking about.