Question

Can u check these?

Malcolm wanted to measure the volume of an object.
Which SI unit should he use?
A. gram
B. Kelvin
C. meter
D. liter <-----

Julie measured the height of the tree she had planted 5 years ago in her yard.
Which SI unit should she use?
A. kilometer
B. millimeter
C. meter <-----
D. centimeter

Why are SI units helpful for describing objects?
A. They are the standard used by scientists worldwide.
B. They are more accurate.
C. They do not measure quantity.
D. They are more precise. <-----

Answer 1

@Destinymasha @WinryRockbell @AravindG @Callisto

Answer 2

last one is A rest all are right! :)

Answer 3

What is the density of the marble?
A. 1.2 g/mL
B. 64 g/mL
C. 0.16 g/mL
D. 400 g/mL
GRAPH - http://static.k12.com/calms_media/media/1276000_1276500/1276023/2/4d9ece547efec80e7060cac6e2b6e6d6eb5eea80/191323.jpg
@AravindG

Answer 4

post ur qns separately.