You cut a piece of paper into small pieces is this a physical or chemical change? explain

This is a physical change because you can still change the paper to how it was before. If it was a chemical change, it would be impossible to change the paper to how it was before being cut.

Physical change, any change in matter which causes a substance to go to one form to another such as ice melting. Chemical change, any change when a substance is combined with another to make a new substance such as Wood burning. So, the answer to your question is Physical change.

I’d have to say no because without oxygen in the water the fish would all be dead. so if you want to fish for dead fish, pick the ponds with the lowest oxygen concentrations.