The oldest currently known homonid is ____
A)Sahelanthropus tchadensis
B)Homo sapiens
C)Homo erectus
D)Orrorin tugenensis
E)Ardepithecus kadabba
A
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Urban settlements
A) both decrease the efficiency of economic activities and decrease the range of lifestyle choices of inhabitants. B) decrease the efficiency of economic activities. C) decrease the range of lifestyle choices of inhabitants. D) do not generate innovation and the development of new knowledge. E) facilitate decision-making by public policymakers and private institutions.
Climate change research has suggested that the Indian monsoon will change in all the following ways EXCEPT ________
A) delayed start of monsoon precipitation B) decreased total amounts of precipitation C) increased crop yields D) increased flooding E) the summer rains failing about every fifth year
Nanotechnology and microtechnology are similar in that they both
A) are interdisciplinary. B) have huge impacts on society. C) are relatively new technologies. D) all of the above
How many origins of replication are found on a typical human chromosome?
A) 1 B) about 100 C) several hundred D) several thousand