lf the internal energy of the system decrease, then what can be conclude about the heat and the work done? A, Heat is added to the system and work is done by the system B, Heat is removed from the system and work is done by the system C, Heat is removed from the system and work is done on the system D, Heat is added to the system and work is done on the system​

Your answer should be B.

If your internal energy or heat of a system decreases then you know that you are taking that energy out and doing work.

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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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