Multiple Choice
Which of the following experiments is able to determine if an element is essential for plant growth?
A) measuring the amount of the element in the soil before and after plant growth
B) growth of a plant by hydroponics without an element
C) measuring the weight of the plant and soil before and after plant growth
D) chemical analysis of plant ash
E) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
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