What theory has the central thesis that all present-day organisms are related and that they have descended with modifications from organisms that lived in the past?
A)theory of relativism
B)best-fit theory
C)theory of organic evolution
D)unifying theory
E)theory of uniformitarianism
C
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Place a 1-kg block of iron at 40°C into a kilogram of water at 20°C and the final temperature of the two becomes
A) less than 30°C. B) at or about 30°C. C) more than 30°C.
The most important factor influencing vegetation patterns in the Rocky Mountain Region is what?
A) The distribution of precipitation B) Differences in elevation C) Animal habitation D) Planting patterns of indigenous groups
What feature is on the seafloor near Monterey, California?
A. a circular scar interpreted to represent a huge impact crater B. an active subduction zone that causes earthquakes C. a large submarine canyon and a number of smaller ones D. an active mid-ocean ridge that has opened up a rift on the continental margin E. None of these choices are correct.
Geostrophic balance is a balance between:
a. Pressure gradient force and gravity. b. Coriolis force and pressure gradient force. c. Pressure gradient force and friction. d. Coriolis force and friction.