Answer:
to make the uniformity in the world measurement
Explanation:
means everyone could measure 1 kg in world 1 kg only in any part of world so it is bought in action of standard measurement
1) Mass
2) I’m not exactly sure but I do know mass also determines the overall lifespan of a star
Answer:

Explanation:
Given:

Required:
Coordinates of the Midpoint of HX
Solution:
Midpoint (M) of HX, for
is given as
.
Let 

Thus:

Convert to improper fractions




