A botanist performs a series of experiments in which different possible sources of hydrogen to be used by plants are radioactively labeled.When photosynthetically derived compounds from the plants are later examined,their hydrogen will be found to have come from which source?
A) The atmosphere
B) Soil minerals
C) Water
D) Other plants
E) Fungi
Correct Answer:
Verified
Q2: Micronutrients are _ in concentration than macronutrients
Q4: Soil scientists recognize _ major soil horizons:
Q5: In almost all plants,roots get most of
Q6: Researchers discover that a species of maple
Q7: Plants,which are mostly autotrophs,acquire carbon from
A) the
Q8: Which element is a plant micronutrient?
A) Potassium
B)
Q9: A newly discovered species of earthworm is
Q10: Which mineral is a constituent of both
Q11: Which four elements are found in highest
Q12: Macronutrients
A) are so called because they are
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