What is the species name for modern man?
a. Cro-Magnon
b. neanderthalensis
c. Homo sapiens
d. Homo habilis
e. Homo erectus
c
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When a rock thrown straight upward gets to the exact top of its path, its velocity is
A) zero and its acceleration is zero. B) zero and its acceleration is about 10 m/s2. C) about 10 m/s and its acceleration is zero. D) about 10 m/s and its acceleration is about 10 m/s2. E) none of the above
The hurricane center is MOST likely to be near location _____ on Monday afternoon.
A. I
B. II
C. III
D. IV
During the spring, on a warm, sunny day in Boston, Massachusetts, the wind shifts from southwesterly to northeasterly and the weather turns cold, damp, and overcast. This suggests that a “back door” cold front approached Boston from the
a. southeast b. southwest c. northeast d. west e. northwest
The shape of a water table is determined by the topography of the surface of the land above it. The high part of a water table separating parts sloping in opposite directions is called the
A. hydraulic gradient. B. aquifer. C. groundwater divide.