Original Project
Plate Tectonics
Item PT039001: Mountains have been developing continuously throughout earth's history.
Which of the following is TRUE about when mountains have developed on earth?
- All mountains on earth today were present when the earth formed.
- Mountains developed for a while after the earth first formed, but no new mountains are developing today.
- Mountains have been developing continuously since the earth formed and mountains are still developing today.
- Mountains have developed since the earth formed, but only occasionally.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 3144 |
6–8 n = 2030 |
9–12 n = 1101 |
Male n = 1495 |
Female n = 1606 |
English n = 2860 |
Other n = 217 |
||
| A. | All mountains on earth today were present when the earth formed. | 9% | 10% | 7% | 9% | 9% | 9% | 13% |
| B. | Mountains developed for a while after the earth first formed, but no new mountains are developing today. | 13% | 13% | 12% | 14% | 12% | 12% | 17% |
| C. | Mountains have been developing continuously since the earth formed and mountains are still developing today. | 65% | 63% | 71% | 64% | 67% | 66% | 57% |
| D. | Mountains have developed since the earth formed, but only occasionally. | 13% | 14% | 10% | 13% | 12% | 13% | 13% |