During which phase does earth see more than half of the moon’s surface?

Waxing Gibbous and waning Gibbous

Explanation:

In one cycle, when phase of moon changes through New moon to full moon it is known as Waxing and when changes from full back to new moon, it is known as waning.

The phase of moon when between new moon and half moon is crescent and more than half and less than full is gibbous. Thus, during waxing gibbous and waning gibbous, the phase of the moon would be more than half of moon's surface.  

c

Explanation:

took the test

the real answer is b. scintillation counter

c is the correct answer hope this !