Fertilizers
A) are often characterized by their N-P-O percentages.
B) are not required if crops are removed frequently enough.
C) restore needed mineral nutrients to the soil.
D) are needed to provide carbon, hydrogen, and oxygen to plants.
E) are needed to destroy soil pests.
Correct Answer:
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Q10: A photoautotroph acquires its carbon from
A) the
Q11: Which of the following is not true
Q12: Macronutrients
A) are so called because they are
Q13: Most plants continuously obtain new sources of
Q14: All carnivorous plants
A) are parasites.
B) depend on
Q16: In a typical soil,
A) the topsoil tends
Q17: Plants acquire minerals from the soil
A) by
Q18: Which of the following is not an
Q19: One of the defining characteristics of an
Q20: Plants do not obtain which of the
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