Jorge's experiment involved which of the following?

C. A physical change.

Explanation:

Given the image shown below.

It can be seen that the experiment is about phase changes of a substance. And phase changes of a substance is being done or carried out when the substance has passed through any of the processes such as melting, boiling, freezing, condensing, depositing, or sublimation.

And since these changes in the phase of a substance do not change the substance's chemical nature. It is called a physical change.

Therefore, in this case, Jorge's experiment involved "A physical change."

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water pollution kills aquatic life. aquatic life includes algae and other plant life that use photosynthesis. photosynthesis takes   c02 out of the air.  

c02is a greenhouse gas.