Answer:
should be "3. is used by airplane"
Virchow's is credited with very several important discoveries.
Answer:
A or B
Explanation
I think it is A or B hope it helps ;-;
Answer:
Unable to be divided into further smaller pieces
Explanation:
This theory has been drawbacked by now but books still obey it.
Atoms can be divided further more into proton, neutron and electrons