Answer:
Physical
Explanation:
because the erosion of the canyon did not change any of the chemical attributes of the rock it only changed the appearance. it may have changed the color which is an example of chemical properties but in this case, it is physical. But in other cases, you would refer to this type of weathering as mechanical weathering.
There are 3 atoms in 1 molecule of Co2.
Answer:
Chemistry is the scientific study of the structure of substances, how they react when combined and how they behave under different situations.
Prediction, control and experiment
