Question

14. What form of matter includes subatomic particles such as protons, neutrons, and electrons?

15. What form of matter does not react with the strong nuclear force or the electromagnetic force?

16. Why can't we walk through a wall made up of ordinary matter?

17. Could we walk through a wall made up of dark matter? Explain.

Answer 1

Atomic matter
Dark matter
We can't walk through a wall made up of ordinary matter because it is made up of tightly packed atoms that have strong electromagnetic forces holding the atoms in place.
No, we cannot walk through a wall made up of dark matter because we do not know much about dark matter and its properties, but it is believed that dark matter does not interact with light, electricity, or magnetism