Seasons, Eclipses, Phases of the moon, Tidies and Night and day. Seasons are because of the tilt of the earth on its axis. Moon phases are Because of the positions of the sun, Earth, and Moon. The revolution of the moon around the Earth and the angle at which light reflects off of it. All in all the reason is because these happen frequenctly
I would say an investigation is a part-by-part scrutiny of a given problem. An investigation is examining a problem as to for example, what happened, how did it happen, when and why and re the consequences.
59 is the answer becaus 60-1=59
