If we know the moon's position in the sky and its phase, we can estimate the in general, knowing any two of the following three things allows us to estimate the third:

we can estimate the _time__.

The three things are;

1. Moon's position in the sky

2. The moon phase

3. The time

Explanation:

In general, knowing any two of the following three things; (the moon's position in the sky, the moon phase, and the time) will allows us to estimate the third. Yes, this statement is true because, position and phase of moon is used to determine the hour of the day and night most especially in the morning. Example of this is the determination of prayer time by Muslims community as it was the major time determinant in the past before the advent of clock or watch.

Also, if will know the time and moon position, we can determine the phase of the moon likewise using time and moon phase to know the moon position.

the answer is b i think