Question

Answer pls ASAPPP 50 pointsss!!

Answer 1

One

Step-by-step explanation:

One Chemical changes-It was when he toasted the bread. The heat changed the bread so that it has the crust on the outside

Answer 2

There should only be one chemical reaction, this is because toasting the bread is not only using heat, but you cannot untoast the bread, and also theres a reaction with the amino acids and sugar in bread when it's cooked. I hope this helps you! :)