One day you are looking through some 150 year old maps in a local historical society near an urban area as part of a study. What would you likely notice about the amount of wetlands on those maps compared to today?
A. Wetlands have decreased in area.
B. Wetlands have increased in area.
C. Wetlands have remained about the same.
Answer: A
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Which nation was born out of a Muslim-Christian civil war in 2011?
A) South Sudan B) Burundi C) South Africa D) Rwanda E) Somalia
Base level of a stream is a balance of
A) stream power and sediment load. B) velocity and discharge. C) precipitation and infiltration. D) runoff and evaporation.
Groups of scientists like the International Panel on Climate Change and the U.S. National Academy of Sciences conclude that ____.
A. the world is descending into an ice age B. climate change is caused primarily by human activities C. sea level has risen by 7 meters over the past 100 years D. atmospheric warming is caused by melting glaciers E. it is uncertain whether climate change is part of a natural cycle of warming and cooling
A friendly competition between two universities in Ohio to see which could recycle the most waste eventually led to the nationwide competition known as ________
A) Recycle-or-die! B) Recyclemania. C) I recycle, you recycle, we all recycle for icicles! D) Hi-ho, recycle-o! E) We recycle better than you do!