Which of the following best matches the description?Photosynthetic free-floating marine organisms.
A. biochemical oxygen demand
B. tundra
C. deciduous forest
D. pioneer community
E. grassland
F. phytoplankton
G. savanna
H. desert
I. boreal forest
J. pelagic
K. littoral zone
L. marsh
M. periphyton
N. benthic
O. euphotic
Answer: F
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Which factor primarily explains the difference in temperature patterns between Fairbanks and St. Louis?
Six charts showing the average monthly temperature (in °C and °F) for seven U.S. cities are provided (the first letter of each month of the year is shown along the bottom of the charts). For each of the cities, the latitude and longitude, as well as the elevation, are provided.
Answer the question by comparing the temperature charts. In your answers, consider the one temperature control factor that is most responsible for the patterns shown (choose from latitude, land–water contrasts, wind patterns, or altitude). You may use the same answer for more than one question. You should locate each of the cities on a world map before trying to answer the question. If altitude is the main factor cited, calculate the expected temperature difference between the two cities based on the average lapse rate.
Briefly explain plate tectonics in terms of convection. (Plate tectonics and work)
What will be an ideal response?
What is the largest city in the Coast South?
A) Orlando, Florida B) Miami, Florida C) Houston, Texas D) New Orleans, Louisiana
The common source of pressure during compaction of sediments is ________
A) the weight of the compacting sediments causing internal pressure B) the pressure of the sediments pushing the compacting sediments out of the way during deposition C) the weight of water above the sediments after they are deposited D) the weight of the sediments deposited above the compacting sediments