What determines blood type?

a) agglutinogens proteins on platelets
b) Agglutinogens proteins in plasma
c)Agglutinogens proteins on red blood cells
d)Agglutinogens proteins on white blood cells

I would say c

Explanation: Because agglutinogens are on the coating of red blood cells, this is just a thought, I am sure it isn't a or b since they are not on platelets neither the plasma

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave