Question

As the bright sun shines upon the water the water slowly disappears the sunlight also gives energy to the surrounding plants to convert water and carbon dioxide into sugar in the oxygen gas which changes physical and which changes chemical

Answer 1

"As the bright sun shines upon the water, the water slowly dissapears." Since the water has been turned to water vapour, this is an example of a PHYSICAL change.

The second example involves a CHEMICAL change of water and carbon dioxide into sugar and oxygen gas when the same sunshine provides energy to the nearby plants.

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