3. When the candle was lighted, it melted into liquid and became solid again after few seconds or in a minute. What causes these changes?
1. presence of heat
II. presence of oxygen
III. absence of heat
IV. absence of oxygen
A. I, II andl II
B I and IV
C. I AND II
D. All of the above
please answer the question please
Answers & Comments
Answer:
D.all of the above
Explanation:
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