The most recent Ice Age occurred during the________.
What will be an ideal response?
Quaternary period
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If there is a difference of 15° of longitude for each hour of time, how much difference in time is there for 1° of longitude? for 1r of longitude?
You may not always have a time zone map available, but by remembering the relationship of 1 hour for every 15° of longitude, you can easily calculate the difference in time between places. Indicating and using the standard meridians to determine time zones, solve the following problems. What will be an ideal response?
The C-horizon of a soil is
A. the horizon most similar to the parent material. B. where chemicals are deposited. C. the zone of leaching. D. the most completely weathered horizon.
Major mass extinctions
What will be an ideal response?
Which number on this figure indicates transfer of thermal energy by a convection cell?
A. 1, direct contact between the burner and the pan B. 2, heating by thermal radiation through the air C. 3, heated water expands and rises to the top of the pan and then cools and flows back down D. 4, moving a pan of water away from the stove