Answer:
a
Explanation:
it would be the most reasonable
Some examples of physical changes are:
Breaking a glass
Chopping wood
Tearing paper
Mixing sand and water
Melting an ice cube
These all are physical changes because the composition of the matter does not change.
The alkaline earth metals (the second group) because their ion charge is +2
B
. They are large and occur at shallow depths near the where the plates diverge.