Scientists predict that the human population may double in the next 40 years to 12 billion?
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When the queen of a clownfish school dies:
A male clownfish changes its gender to become female and takes her place
The entire school of fish “commits suicide” by refusing to eat
The next most productive female fish assumes her role
Several females fight for the crown, which is selected by the school’s dominant male
The school begins to follow another’s school’s queen creating a super school (much like Orca pods join to create a super pod)
Mineral oil is made from what mineral?
Talc
Calcite
Gypsum
Apatite
Crude oil
Which planet rotates the fastest?
Mercury
Venus
Earth
Jupiter
Pluto
How much skin does the average human shed per year?
0.025 lbs
0.5 lbs
2 lbs
5 lbs
Over 8 lbs
How much of Earth’s water is fresh water?
Over 30%
30%
13%
13%
Less than 3%
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