A glacial valley cross-sectional shape is a U shape whereas a stream valley is usually a V shape. The U shape comes from the scouring action of the alpine glaciers which carries rocks with it which can abrade the walls of the valley and the glacier occupies the whole valley so scours out such a shape whereas the stream cuts down and water washes in from the sides of the valley into the stream or river creating the V shape.
Answer :
(A). Charles Lyell correctly explained how fossils form and formulated some of the basic principles of relative dating
Explanation:
Charles Lyell was a Scottish geologist who demonstrated the power of known natural causes in explaining Earth's history.
Relative dating is the science of determining the relative order of past events, without actually deciding its absolute age.
Charles Lyell's principle of inclusions and components, explains that, with sedimentary rocks, if inclusions are found in a formation, then the inclusions must be older than the formation that contains them.
Answer:Many ecosystems can exist in one biome because a biome is just a geographic area where ecosystems are. An ecosystem is the interaction between living and nonliving things.
Explanation:
