A.
B.
C.
D.

A.
B.
C.
D.

A.\({\log _{{a^c}}}b = c{\log _a}b\)               
B.\({\log _a}b.{\log _b}c = {\log _a}c\)
C.\({\log _a}\left( {bc} \right) = {\log _a}b + {\log _a}c\)
D.\({\log _a}b = \dfrac{1}{{{{\log }_b}a}}\)

A.fully
B.very much
C.incredibly
D.enough

A.wide
B.large
C.huge
D.broad

A.Both hypotheses cite Africa as an originating location.
B.Genetic studies have supported both hypotheses.
C.One hypothesis dates the emergence of homo sapiens much earlier than the other.
D.Both hypotheses regard Neanderthals to be the predecessors of modern humans.

A.two hypotheses and some evidence on the human origins debate.
B.evidence that supports the "Out of Africa" theory.
C.that fossils remain very much a part of the human origins debate.
D.the difficulties in obtaining agreement among theorists on the human origins debate.

A.Central Europeans and Australians
B.traits
C.skulls
D.Middle Easterners and Africans

A.off-spring
B.ancestors
C.pioneers
D.juniors

A.Historians
B.Inspectors
C.Advocates
D.Experts