1. Presence of carbon dioxide is needed for burning to place.
True
Or
False
2. physical change is a change in the form and appearance of a matter, with its composition remaining the same
True
Or
False
3.some changes brought about by heat irreversible
True
Or
False
Answers & Comments
Answer:
1.true
2.true
3.true
Explanation:
hope it helps sorry kung mali
Answer:true all
Explanation: