Answer:
cart is without oil in engine
You can identify the twin by asking for their name and they boy and girl so you will know who is who by their name.
One purpose may be to check for cancer. If abnormal cells are found, there might be something wrong...
Glaucoma. I think- I mean ocular hypertension. obviously, but I'm pretty sure the question is asking for a more general term
Calcium is what you should look for to strength your bones, therefore leading to a better growth development.
