Answer:
Tempreture should be the correct answer!!
Explanation:
hope this helps ya!!
Answer:
In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition. Although we call them physical "reactions," no reaction is actually occurring.
O = C = O Straight because there is no solitary electrons on C
