Answer:
Magnetic fields, revolve, asteroids
I’m just commenting rn to get points
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.
Such ions are said to be isoelectronic