Short-term climatic changes like the Little Ice Age are poorly ...

[appyboo]

Short-term climatic changes like the Little Ice Age are poorly understood. One hypothesis for why short-term climatic events occur is ____.
 A)plate tectonic activity
 B)orbital eccentricity
 C)axial tilt
 D)precession of the equinoxes
 E)variations in solar radiation

Question 2

An overall average rate of soil formation might be about ____ per century.
 A)2.5 cm
 B)25 cm
 C)2.5 m
 D)25 m
 E)250 m

[elizabethrperez]

Answer to Question 1

E

Answer to Question 2

A