When scientists measure, they use the metric system.
Answer & Explanation:
Earthquakes can strike at any location on Earth and at any point of time. However, some parts of the Earth are more prone to earthquakes than others. Earthquakes happen along the edges of tectonic plates and fault lines and there are three large zones on our planet which are most susceptible to earthquakes.:-)
In artificial selection, nature provided the variation, and human selected those variations that they found useful