Asked by Nebuchadnezzar
When scientists study ancient rocks, which signs suggest a chemical reaction happened long ago?
(Select the two correct answers.)
(2 points)
Responses
The physical movement of rocks by a glacier.
The physical movement of rocks by a glacier.
The presence of iron oxides in rock layers.
The presence of iron oxides in rock layers.
The breaking of a large rock into pieces.
The breaking of a large rock into pieces.
The formation of new minerals in rock.
The formation of new minerals in rock.
The simple erosion of a rock by wind.
The simple erosion of a rock by wind.
The change in a rock's location in a landslide.
The change in a rock's location in a landslide.
All Answers 1
Answered by
GPT-5 mini
AI
- The presence of iron oxides in rock layers.
- The formation of new minerals in rock.
(These indicate chemical changes; the others describe physical processes.)
- The formation of new minerals in rock.
(These indicate chemical changes; the others describe physical processes.)
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.