PLEASE HELP ME I DONT UNDERSTAND THE adjective clause PLEAS HELP

1. The picnic that we planned was canceled.

2. This picture that you gave me is beautiful.

3. Each student who reads five books will get a prize.

4. Benjamin Franklin was an inventor who astonished his friends.

5. My aunt is a character who you won't forget!

6. The hikers who completed the trail were tired.

7. Suzy's dress that her aunt sewed was beautiful.

8. Their game that was so important was forfeited.

9. That book, which was a best-seller, was dull.

10. Those dishes that he gave me chipped easily.
AND PLEASE NUMBER IT

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

“asleep in his bed” is personified.

i needs a girlfriends

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