The weakest died out and only the intelligent and strong survived to pass on the most useful traits, determining the way a species evolved - growing more intelligent or athletic as a result of these patterns.
<span>Having standard written research protocols is the correct answer. ;)</span>
Boron has a smaller radius and the protons in carbon exert a greater pull
Chewing bread, tearing paper, breaking rocks
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.
