Which combination of subatomic particles would produce a positive ion? 10 electrons and 10 protons 10 protons and 9 neutrons 10 protons and 11 electrons 10 protons and 9 electrons

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

they are made of gases.

they have a spherical shape.

they make energy through fusion.