Which flood control method impairs natural aquatic habitats within floodplains?
What will be an ideal response?
Channelization
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How is the seismic-moment magnitude scale different from the Richter Magnitude Scale? What will be an ideal response?
The ocean depth at which there is light, but it is not bright enough to allow much photosynthesis is called the aphotic zone
Indicate whether the statement is true or false
Which of the following is TRUE regarding cloud-condensation nuclei?
A) Maritime air masses generally possess more nuclei per cubic meter than continental air masses. B) Continental air masses average about a billion nuclei per cubic meter. C) Continental air masses contain more than 10 times the condensation nuclei of maritime air masses. D) Condensation nuclei is rare in urban environments.
The Goldilocks scenario suggests that ________
A) we are very fortunate that dinosaurs were destroyed but left us an inhabitable planet B) we are very fortunate that the meteorites that have bombarded the earth over time were not too large or too small C) we are very fortunate to be in the right place in the universe and to have had the right condition to develop and sustain life D) we are very fortunate to be in a solar system where life can develop and be sustained