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OpenStudy (wwhitlock):
This is the place to get help.
OpenStudy (bannana43):
i know that.
OpenStudy (wwhitlock):
That's a good start :)
OpenStudy (bannana43):
thanks, @Devonhoward15
OpenStudy (bannana43):
what are the two sources of heat in the earth's interior?
A. sunlight and meteor impacts
B. radioactive decay and convection currents
C. leftover heat from formation and radioactive decay
D. magma and liquid outer core
i think it is D
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OpenStudy (bannana43):
@Devonhoward15
OpenStudy (bannana43):
Most scientists believe modern human begins originated on which continent?
a. africa
b. australia
c. asia
d. north america.
OpenStudy (bannana43):
@Devonhoward15
OpenStudy (bannana43):
@jabez177
OpenStudy (wwhitlock):
Current thinking is the home sapiens first appeared in Africa.
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OpenStudy (bannana43):
@blondie$$$
OpenStudy (bannana43):
can you help me please with world history.
OpenStudy (bannana43):
Most scientists believe modern human begins originated on which continent?
a. africa
b. australia
c. asia
d. north america.
OpenStudy (anonymous):
idk....srry
OpenStudy (anonymous):
im better at math if u need help with that :D
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