hey yall any cute boys on here I kinda need to make a guy jelous and I need a fake boy friend.

im up be im bor ed

Explanation:

uhhh im not a boy ima just answer this for points

Explanation:

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i believe it is 40–40–20%

explanation:

answer is: c. the experiment shows that the red substance experienced a chemical change.

this is chemical change (chemical reaction), because two new substances are formed (metalig liquid and gas), the atoms are rearranged and the reaction is followed by an energy change.

this is example of chemical decomposition.

chemical decomposition (analysis) is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.  

chemical decomposition is opposite of chemical synthesis.