Weegy: The three types of seismic waves produced by an earthquake are primary, secondary, and surface. User: Two tectonic plates moved toward each other at boundaries User: The three types of stress that act on earths rocks are compression tension and Weegy: The three types of stress that act on Earth's rocks are compression, tension, and shear. (More)

Weegy: Temperature and silica content determine the viscosity of magma. User: What happens at a reverse fault plane (More)

Weegy: A substance that enters Earth's cycles and does harm to living things is a pollutant. (More)

Weegy: When new clay sediment is deposited on top of old beach material, it's known as TRANSGRESSION. User: The combination of sulfur dioxide nitrogen oxide and atmospheric moisture creates Weegy: The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates Acid rain. User: The building blocks of protein are known as Weegy: The building blocks of proteins are known as Amino acid. User: The principle stating that the oldest rocks occur on the bottom of an undisturbed rock sequence is known as Weegy: The principle that states the undisturbed rock sequence has the oldest rocks on the bottom is known as law of superposition. User: The change in isotopes over time due to the emission of radioactive particles is known as Weegy: The change in isotopes over time due to the emission of radioactive particles is known as radioactive decay. User: A substance hat enters earth cycles and does harm to living things is Weegy: A substance that enters Earth's cycles and does harm to living things is: a POLLUTANT. (More)

Weegy: Magma that cools and crystallizes on Earth's surface forms extrusive rocks. (More)