Choose an appropriate metric unit for the mass of concrete in a section of sidewalk

A.Kilogram
B.milligram
C.gram
D.meter

OMG 9/20! I HATE YOU

Im gonna see if hes right or wrong. Im gonna be mad if hes wrong because my mom will be mad

this started in 2018 wtf-

What is your answer?

(I'm not a teacher)

NO NAME 4 U IF U GOT IT WRONG TELL US THE ANSWER

You guys: Waste of time.

OMG!!!! So the people who have got it wrong can at least tell us the correct ones!!!!

If these answers do not look similar, do NOT put them down. Teachers change answers in different classes (ex: 6A 6B classes) to confuse people whenever trying to get answers.

1. Kilogram
2. a pineapple
3.1.1275 grams
4. 627,532 mL
5. 1.71 m
6. 840 in. ^2
7. 53 ft by 58 ft; 222 ft
8. 1,066
9. 10,042.95 cm^2
10. 53 cm
11. 3,369 km
12. 1,386 square meters
13. 307 cm^2
14. 3D pyramid at the bottom
15. 748 m^2
16. 930 m^2
17. 280 m^3
18. 84 cm^2
19. 720 in.^2
20. 102 ft^2
21. 2,410 yards.
Also for the people who are being entitled Idiots telling people what to do, in the most disrespectful way, shut up. enjoy the answers!

this is the first time i go on here and there are no answers

big boy is completely wrong I know because 1. ain't even right its b not a