_______ are available to the plant in unlimited supply _______.
A) Water and nitrogen; because there is plenty of soil around the plant
B) Sulfur and magnesium; because the plant needs relatively small amounts from the soil
C) Phosphorus and iron; because they readily dissolve in soil water
D) Calcium and chlorine; because they are easily absorbed by the roots
E) Hydrogen and oxygen; as long as sufficient water is available
Correct Answer:
Verified
Q3: Which of the following is an early
Q4: Hydrogen in hydrocarbons enters living systems from
A)
Q5: Which of the following is a micronutrient
Q7: Nitrogen fixation is
A) performed only by plants.
B)
Q9: Which of the following is a parasite?
A)
Q10: A photoautotroph acquires its carbon from
A) the
Q11: Which four elements are found in highest
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
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