Horticultural and extensive farming societies differ from foraging societies by increased
A) mobility.
B) population density.
C) social complexity.
D) A and C.
E) B and C.
Question 2
Among the Bedouin tribes of northern Arabia, camel raiding
A) was a mechanism for distributing camels, a scarce resource, among different groups.
B) was governed by rules that mitigated its impact on the raided group.
C) was an effective way for a group to increase its slow breeding camel herds.
D) all of the above.
E) A and B.
The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures.
The open ocean is the most extensive biome on earth.
Increased risk of trisomy with maternal age.
Remedies for insomnia include increased physical exercise and time spent outdoors.
Atmospheric CO2 Concentrations Increased Very Rapidly during the Last 200 Years
Increased amounts of "screen time" are contributing to decreased amounts of physical ...