Which statement is true of an alpha particle? A. It is a particle that travels at the speed of light.
B. It is an electron.
C. It is the largest decay particle.
O
D. It is electromagnetic radiation, not a true particle.

The correct answer is b

Go ask spider man

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.