Answer:
Calcium carbonate
Explanation:
Ionic compounds that tend to have one or more polyatomic ions are the ones that tend to exhibit both ionic and covalent bonding. The only one that meets this is calcium carbonate.
Answer:
D.
Explanation:
chemical erosion is where the composition of a rock changes.
The density will become less, this is because thing with less density float to the top when things with more density float to the bottom. It also becomes colder.