Answered

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The items listed below were found in a science classroom.

• a heart made of plastic with many of its parts labeled
• clay formed to look like Earth and other planets
• a giant plastic plant cell with removable cell parts

These items are all examples of
(1) models (3) variables
(2) experiments (4) controls

Sagot :

Answer:

experiment

Explanation:

because plastic heart and plant cell is used in lab.

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