Which of the following is not a main glacial characteristic that any satisfactory theory of ice age causes must account for?
A) Concurrent development of pluvial conditions in dryland areas
B) Multiple cycles of advance and retreat
C) Eventual total deglaciation
D) The simultaneous but non-uniform accumulation of ice masses in the Eastern and Western Hemispheres
E) How snow transforms into glacial ice
Question 2
The combination of ________ might lead to increased glaciation.
A) colder autumns and colder springs
B) warmer autumns and warmer springs
C) warmer summers and warmer winters
D) cooler winters and cooler summers
E) warmer winters and cooler summers
Diagram of a flagellate stramenopile cell, showing characteristic flagellar hairs.
Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly
An intermediate shaft drives the oil pump on this overhead camshaft engine. Note the main gallery ...
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Set-Point Theory
Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a