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.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 2059 | 3144 | 66% |
| Grades | |||
| 6–8 | 1273 | 2030 | 63% |
| 9–12 | 778 | 1101 | 71% |
| Gender | |||
| Male | 955 | 1495 | 64% |
| Female | 1075 | 1606 | 67% |
| Primary Language | |||
| English | 1890 | 2860 | 66% |
| Other | 123 | 217 | 57% |
- Notes
- NGSS does not address the time at which mountains began to form on Earth.

