Answer:
B) they make the spindle fibers
Explanation:
Platelets would help the blood clot, therefore preventing blood loss. White Blood Cells would help protect against infection. So, I believe the answer would be platelets & white blood cells.
<span>Because hadrosaurs could not have survived without plants, their presence in Antarctica proves that plants existed there. Additionally, fossil plants have been found in Antarctica.</span>
The rivers discharge is usually greatest at the mouth.
:D hope this helps