What is cylopasm? A. The center of control for a cell.

B. The organelle that create protein for a cell.

C. The membrane that surrounds a cell.

D. The substance that holds the organelle of a cell in place.

D. The substance that holds the organelle of a cell in place.

Explanation:

Cytoplasm is the material filled within the cell, and it holds the organelles in a cell in place.

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.

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