Is making a sandwich a chemical or physical change?

tell me why you chose this answer too!

It is a physical change.

Explanation:

Even though they make  sand which they are still meat bread and cheese.  The reactants stay as there ware even though they have taken a different form.  It is like boiling water or freezing it. They look different but the reactants stay the same.

sorry, but you do not have posted the diagram.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.