The answer is A. She is using different types of bread, therefore changing the variable.
Answer:
oxygen atom and two hydrogen atoms
Explanation:
A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre. The difference between atoms is expressed by atomic numbers.
Answer:
uhmmm is there supposed to be a photo?
Explanation: