Which of the following is an example of work being done on an object?
A-Water in a pot changes into steam.
B-A man pushes a couch across the room.
C-A prism scatters ultraviolet light into visible light.
D-A box rests on the floor.

B

Explanation:

Work is defined as force x distance so a man pushing is the force and the couch moving is the distance

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1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

and ur welcm

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it has to be b, about 97 percent.