What I Have Learned
Directions: Complete the paragraph below by supplying the statements with the
missing word or phrase.
has various effects on matter.
The presence or absence of (1)___
Common examples are (2)___
and (3)___
Fire will continue its flame provided that there is continuous supply of
(5)___, and (6)___.
In the absence of oxygen, there will be no
that will occur.
An example of change in the material when oxygen is present is (8) ___
is formed when iron and oxygen react with water or air moisture.
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