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.
Sample of many kinds of living things should be examined under a microscope to determine the presence of cells.
Cells are the smallest unit that can be considered alive.
The answer is C
I hope that helps you
