C. a change of state. It can be a physical or a chemical state of change.
Answer: Iron
Explanation: There are little minnerals that make it magnetic.
Answer:
It's the oesophagus.
Explanation:
The worm digestive system consists of the pharynx, the esophagus, the crop, the intestine and the gizzard. The oesophagus is not mentioned. Thus, it's not part of the worm digestive system.
Smaller than; less of it will dissolve before the solution is saturated
