Prior to the invention of agriculture, how did most people obtain their food?
What will be an ideal response?
Answer: hunting and gathering
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The sea surface: a. is a smooth ellipsoid over the entire ocean
b. has mounts of water over regions of great depth. c. varies only due to waves and tides. d. has mounts of water over undersea mountains or ridges.
Generally, between an advancing cold front, and a warm front farther to the east, the wind blows from the
A) south. B) north. C) west. D) northeast.
Suburban living encourages ________
A) increased use of automobiles B) increased use of farming C) walking D) driving electric cars E) riding bicycles
As a result of the Coriolis effect in the northern hemisphere, winds always are deflected ________
A) at a 45° angle from their original direction B) at a 90° angle from their original direction C) to the east of their original direction D) to the left of their original direction E) to the right of their original direction