I’d go with Physical geography.
Also known as geosystems, physical geography is one of the two major sub-fields of geography. It is part of the geographical study that focuses on examining landforms, soils, and water bodies. It also deals with the study of patterns in the natural environment such as, biosphere, geosphere, and hydrosphere.
Answer:
During the day, daylight floods our environment every which way, with both immediate and reflected daylight coming to us from wherever we can see. Around evening time, the daylight doesn't flood the environment, as it's dull wherever in the sky that there isn't a state of light at, similar to a star, planet, or the Moon.
Is this supposed to be a circle or something else. Let me know ASAP to put me on the right track to solving it.