In the Southwestern U. S., tectonic forces have pushed rocks upward over millions of years to form the Colorado Plateau. As the plateau has risen during this time, the Colorado River has been cutting down through the plateau to form the Grand Canyon. Development of the Grand Canyon through the uplift of the plateau and erosion by the Colorado River illustrates that
A.
landforms result from a combination of constructive and destructive forces.
B.
landforms result from constructive forces only.
C.
landforms result from neither constructive nor destructive forces.
D.
landforms result from destructive forces only.

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.