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.
I would say Carbon, Hydrogen and Oxygen.
B, provide systematic irrigation.
I would believe the answer to be B. <span />
Some of the activities are:
- fishing
- watching beautiful sites
- hiking
- kayaking
- dog sleds
and etc.
