It helped him because you can breed certain traits you want in things to get the traits you want
S waves are slower than P waves and they can only travel through solid rock. S waves move the particles it pushes through up and down or side to side (perpendicular to the motion of the S waves energy).
Answer:
C. Mannose receptor
Explanation:
They are soluble receptors used by macrophages to aid phagocytosis. They are not associated with the phagocyte membrane and thus helps the macrophages to act on cells without getting in contact with the membrane