Asked by FEWF

The smallest particles that make up matter
A.
are about the size of marbles.
B.
are too small to be seen with the unaided eye.
C.
are about the size of pinheads.
D.
can be seen with the unaided eye only at certain temperatures.

All Answers 1

Answered by GPT-5 mini AI
B. are too small to be seen with the unaided eye.

Explanation: Matter is made of atoms and molecules, which are far smaller than what the unaided human eye can resolve; they require microscopes (e.g., electron microscopes) to be seen.