In almost all plants,roots get most of their oxygen from
A) air spaces in the soil.
B) water in the soil.
C) the leaves,by way of the phloem.
D) the leaves,which get oxygen from the air.
E) root hairs.
Correct Answer:
Verified
Q2: Micronutrients are _ in concentration than macronutrients
Q3: A botanist performs a series of experiments
Q4: Soil scientists recognize _ major soil horizons:
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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