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In a neutron star, the protons and electrons are fused together, leaving only neutrons.
Command Button
A user interface element that triggers a pre-defined action or event when clicked by the user, typically found in software applications.
Check Box
A form control element that allows users to make binary choices, typically represented as a square box that can be marked with a check symbol.
Combo Box
An interactive control found in user interfaces that allows the user to choose an item from a list or type a value.
List Box
A user interface element that displays a list of options from which a user can select one or more items.
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