Where would the electrons in the 3d sublevel be found?
only in the n = 3 energy level
in energy levels > 3
possibly in any shell

D. is the answer hope that you

Its trait is different and it the organism survive

They cool it down and aluminum cools easily

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.