Questions with the keyword '100%'

• How come the kettle starts to boil and steam comes out of the kettle before the kettle finishes and reaches 100 degrees by thoma058 to Emma, Jimmy, Janet, Niall, Simon Comments: (No comments so far )
• We know that dark matter as well as normal matter exists however does not make up 100% of matter around us, what could by aminas97 to Emma, Jimmy, Janet, Niall, Simon Comments: (No comments so far )