Which sentence is not correctly punctuated?

A.
Some model planes use rubber bands, some have tiny motors.

B.
Some model planes use rubber bands, and some have tiny motors.

C.
Some model planes use rubber bands; some have tiny motors.

Question

Which sentence is not correctly punctuated?
  
 
 

 
 

  

  A. 
  Some model planes use rubber bands, some have tiny motors.   
   

 
 

  

  B. 
  Some model planes use rubber bands, and some have tiny motors.   
   

 
 

  

  C. 
  Some model planes use rubber bands; some have tiny motors.

anonymous · Answer

I got C.

anonymous · Answer

generally if a comma is used, you don't have to put "and" after it/before it

anonymous · Answer

oh ok

anonymous · Answer

i dont know how semicolons are properly used so it's either A or C

bookworm14 · Answer

C. is using a semi-colon indicating that both sentences can stand alone.

in A. there is no conjunction to go with the comma , which makes it a run-on and not properly punctuated, ......Hope this helps - Bree :)

anonymous · Answer

ty

bookworm14 · Answer

your welcome, if you ever need help im literally a click away lol

anonymous · Answer

ok ty