Question

Use the table of observed changes to answer the question.

Change # Reacts with another substance? Temperature change? Gas, sound, or light produced? New substance formed?
1 yes yes yes yes
2 no yes yes no
3 yes yes yes yes
4 no no no no
Which changes shown in the table are physical changes?

(1 point)
Responses

2 and 4
2 and 4

2 and 3
2 and 3

1 and 4
1 and 4

1 and 2

Answer 1

ur wrong

Answer 2

1 and 2

Answer 3

I apologize for the mistake. The correct answer is 2 and 4. Change 2 does not produce a new substance and change 4 does not produce any gas, sound, or light. Therefore, both of these changes are examples of physical changes. Thank you for bringing the error to my attention.