Where did the majority of the water vapor that eventually formed Earth’s early oceans come from?

Match the following components to the realm, or sphere, that they belong to.

Which of the following rocks is formed from sediments with the smallest grain size?

Geologists can accurately predict when an earthquake will occur.

Based on the seismograms below, which recording station would have been the furthest from the epicenter of a hypothetical earthquake?  

Which of the following mechanisms used to explain the motion of the tectonic plates is our best means of modeling the movement of the plates?

Volcanoes with violent volcanic eruptions that produce pyroclastic flows are fed by magma with a very low viscosity.

Which of the following gases was essentially missing from Earth’s early atmosphere (i.e. the atmosphere supplied from volcanic emissions)?

You measure the amount of carbon-14 (the parent isotope) and nitrogen-14 (the daughter isotope) in a sample of bone and determine that 0.75 half-lives have elapsed for carbon-14. What is the age of the bone sample if carbon-14 has a half-life of 5,730 years?

________ occurs from the overuse of groundwater and results in the lowing of the surface elevation as the underlying sediments compact, reducing the porosity of the sediments.