What is the current approximate population of the world?
a. 7 million
b. 10 million
c. 5 billion
d. 7 billion
e. 10 billion
d
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The one place on Earth where mid-ocean ridge volcanism occurs above sea level is ____________________
Fill in the blank(s) with correct word
Deep Springs Lake in California does not have an outlet because
A) of surrounding topography. B) of the rock type that forms the base of the lake. C) evaporation keeps the lake from filling up. D) rain does not fall on the lake, so it does not fill up.
What region generates the most refugees, currently numbering about 6 million?
A) Africa B) Europe C) former Soviet Union (Russia + surrounding countries) D) Latin America E) Mediterranean
What does the carrying capacity for moose on the island primarily depend on
a. The number of moose b. The number of wolves c. The rate of plant growth d. All of the above