A plain is a large area of flat or gently rolling land that usually has grasses and few trees. Plains can be found on every continent and cover more than one-third of the Earth'slandsurface.
Formation of Plains
Plains are formed by a variety of processes, including:
History and Nature of Science: A student should understand the history and nature of science. A student who meets the content standard should:
Develop an understanding that historical perspectives of scientific explanations demonstrate that scientific knowledge changes over time, building on prior knowledge.
Develop an understanding that scientific knowledge is ongoing and subject to change as new evidence becomes available through experimental and/or observational confirmation(s).