Answer:
Magnitude
Explanation:
Earthquakes are typically measured in units of magnitude. The news usually use the most popular measurement scale called the Richter Scale which rates an earthquake by the size of its seismic waves on a scale from 1 to 10.
Ex. Mexico had a 7.1 magnitude earthquake
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- A. Hazle <3
Answer: Igneous Rock
Explanation: Radiometric dating is used to date rocks by measuring the decay of their composite materials. Stable isotopes remain the same over time while the nucleus of an unstable or radioactive isotope will decay to form other isotopes
.
Dating rocks using Isotopic methods uses the decay time of the isotope in the rock to assess its age. The accuracy of this method is assured by the fact that when these isotopes decay, they are retained in the rock. Isotopic dating is not very accurate in sedimentary rocks because they contain particles from older rocks.
