1.rust is formed with oxygen in the air reacts with the iron

2. oxygen has no effects on different materials.

3. rusting of iron is due to the presence of oxygen.

4. fish kill is due to too much water in the pond.

true or false?​


Sagot :

Answer:

1.t

2.t

3.f

4.f

Explanation:

korek me nalang kung mag mali pero yung iba jan taman