What does predijuice Mean

What would happen if your skull bones had movable joints

If an atom has no charge, what can we say about the subatomic particles in the atom? a) there will be the same number of protons and neutrons, but a different number of electrons. b) there will be the same number of electrons and neutrons, but a different number of protons. c) there will be the same number of protons and electrons.

What is the meaning of calculated as it is used in this sentence from "ups and downs"? he calculated that the ride would be over before she could finish the ice cream sundae he bought her. a estimated b solved c analyzed d clarified