What provides the raw material for large and complex food webs within an estuary?
A) The ocean bringing in nutrients
B) Salt-tolerant plants producing carbohydrates
C) Salt-tolerant plants being decomposed
D) The river depositing nutrient-rich sediments
C
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Agriculture in the core is characterized by its integration into the manufacturing, service, finance and trade sectors
Indicate whether this statement is true or false
One micrometre is equal to which of the following units of length?
A. one millionth of a metre B. one thousandth of a metre C. one hundredth of a metre D. one tenth of a millimetre
Where is the "Ring of Fire" located?
A. Yellowstone B. around the Pacific Ocean C. around the equator D. Australia
________ an effort to implant Russian culture and language in non-Russian regions and to make non-Russians more like Russians
Fill in the blank(s) with correct word