science
Grade-2
Easy
Question
Oxygen causes ___________.
- Chemical weathering
- Physical weathering
- Mechanical weathering
- Biological weathering
Hint:
Oxygen causes chemical weathering.
The correct answer is: Chemical weathering
Oxygen is a reactive element.
- When oxygen combines with other substances it creates compounds called oxides.
- Oxygen reacts with rocks and this process is called oxidation.
