Answer:
a.........................
Answer:
ground water is purifided with oxygen
Explanation: oxygen has to be clean to clean the water
Answer:
1 2 3 4 ok
and don't forget to Mark me as brainiest
Answer:
thanks
Explanation:
thats such a cute duck, it is yours
They used materials such as rocks to write on the walls and there was this type of fabric that they could use that was sharp as a knife that they could also use to write little messages on the walls
