When yeast acts on sugar to form carbon dioxide and ethanol is it a chemical change or a physical change?

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

In which of these cases are the two wave points considered to be in phase with each other?

Which of the following electromagnetic waves can create ions?