A river with a very slight gradient, levees, and numerous oxbow lakes is in which stage of its lifecycle?

What type of plate boundary is associated with the formation of new crust.

Which of the following are mechanical weathering processes?   I. Frost wedging   II. Exfoliation   III. Carbonation

Which star in the following table would appear the brightest when viewed from Earth? Star Apparent magnitude mV Distance (parsecs) Absolute magnitude, MV Betelgeuse 0.58 153 −5.5 Deneb 1.24 433 −6.9 Rigel 0.12 265 −7.8 Vega 0.03 7.7 0.58

Which of the following factors influence the response of a rock to stress and strain?  I. the nature of the rock  II. the temperature of the rock  III. the pressure to which the rock is subjected  IV. the mass of the rock

Where do short-period comets (those with an orbital period of 200 years or less) originate?

Which of the following is not a term used to describe the luster of a mineral?

A theory is supported mainly by

What type of fault tends to result in younger rock overlying older rock?

Why are the alignments that result in solar and lunar eclipses so rare?