How might pandemic flu impact the functioning of society? Schools may need to be closed
Vaccine manufacturers may shut down.
Workers may need to use their sick leave time.
Healthcare facilities may become overwhelmed.

Can you include the paragraph too ?

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass