16. classify the following processes into physical or chemical changes:

(i) beating of aluminium metal to make aluminium foil.

(ii) digestion of food.

(iii) cutting of a log of wood into pieces.

(iv) burning of crackers.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.