Matter can be classified as either a pure substance or mixture. Pure
substances include elements and compounds. Review the diagrams of
the five samples of matter. Which diagram represents a single
compound?
A) 1.
B)
II.
C)
IV.
D)
III.

u can delete ur account.

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

: )

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s