Which of the following correctly describe actin and myosin?
A) They are the thick filaments
B) They are both thin filaments
C) Actin is a thick filament and myosin is a thin filament
D) Actin is a thin filament and myosin is a thick filament
D
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Which of the following gives the name for a faint ring of light that surrounds the shadow of an observer's head on a dew-covered lawn?
A. tangent arc B. Heiligenshein C. corona D. glory
The strongest rainfall within a hurricane occurs
A) in the eye. B) in the eyewall. C) in the spiral rain bands. D) at the outer edges of the storm.
In the U.S. Public Lands Survey System, one section covers ____
a. 1 square mile b. 36 square miles c. 1 acre d. 6 acres e. 6 square miles
______________ is the study of how human populations change over time and space.
-Demography -none of these is correct -Geology -Cartography -Geography