3
Mass never changes during a change of state because the number of particles stays the same, only their arrangement and energy levels change.
Added 110 days ago|10/1/2025 5:25:26 PM
This answer has been confirmed as correct and helpful.
3
You can prove triangles are congruent by showing they have equal sides and/or angles using rules like SSS, SAS, ASA, AAS, or HL.
Added 110 days ago|10/1/2025 5:26:31 PM
This answer has been confirmed as correct and helpful.