41.
A ..............is the interval from one noon to the next noon.
A
lunar day
B
day
C
mean solar day
D
solar day
42 practice sets · Page 3 of 3
A ..............is the interval from one noon to the next noon.
lunar day
day
mean solar day
solar day
..............is needed for the experimental verification of various theories.
Instrument
Measurement
Unit
Symbol