The Science and Technology Lady
For Science Enthusiasts and Science Teachers
Showing posts with label
7 billion
.
Show all posts
Showing posts with label
7 billion
.
Show all posts
Wednesday, November 2, 2011
Happy "Population: 7 Billion" Week! There's a Free App for That!
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This week officially (October 31 to be exact--frighteningly spooky, yes?) marks the significant milestone of the Earth hosting 7 billion ...
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