Author: Anonymous

What is considered the “worst known mass extinction event,” where 94% of known species were wiped out?

What is specific yield?

The residence time of water in the oceans is about how long?

Which type of porosity refers to the void space created after rock formation, such as cracks and joints?

Why does ocean floor bathymetry (the topography of the sea floor) directly affect the propagation and wave height of a tsunami?

Your mountain daycare didn’t end well–mistakes were made and we’ll leave it at that.  Having learned to avoid places prone to landslides, you’ve decided to name your new daycare “Farm Babies” and have acquired very flat land right next to an enormous commercial pig farm that stores the pig offal in large, unlined ponds.  Given that the daycare is far from any cities, the only available water is well water (i.e., groundwater).  Knowing that, what type of groundwater source would be best?

Which of the following is the least likely trigger of a mass wasting event?

Extensive pumping of fresh groundwater near coastal regions can cause which environmental problem?

Atmospheric oxygen levels have remained very close to present-day values throughout geologic history, not varying by more than 2 or 3%?

What quantity is measured by the “angle of repose?”