Respuesta :
The law of superposition in sedimentary and extrusive igneous rocks states that an upper bed of rock is younger than a lower one, provided that earth-movements have not reversed the order. Radioactive dating is the use of radioactive elements to determine the age of different items. The premise of radioactive decay is dependent on the fact that unstable elements break down at a fixed rate into other elements. Hence the age of rocks containing radioactive elements can be determined.
The law of superposition asserts that an upper layer of rock is newer than a lower one while The foundation of radioactive decay is based on the notion that unstable materials.
What is the law of superposition?
The law of superposition is a basic concept of stratigraphy that states that the oldest layer is at the bottom of a sequence of sedimentary rock layers and that the layers get younger with increasing order in the sequence.
In sedimentary and extrusive igneous rocks, the law of superposition asserts that an upper layer of rock is newer than a lower one
Assuming that earth movements have not reversed the order. The use of radioactive materials to establish the age of various artifacts is known as radioactive dating.
The foundation of radioactive decay is based on the notion that unstable materials break down into other elements at a constant rate. As a result, the age of radioactive-element-bearing rocks may be established.
Hence the law of superposition asserts that an upper layer of rock is newer than a lower one.
To learn more about the law of superposition refer to the link;
https://brainly.com/question/10376240
