Plant Matter from Air and Water
Elementary School Science · Flashcards · Application
ELEMENTARY SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Which statement is scientifically correct: Plants 'eat' soil or plants build mass from
C
O
2
CO_2
C
O
2
and
H
2
O
H_2O
H
2
O
?
QUESTION
Which option best supports that plant carbon comes from air: mass increases with
C
O
2
CO_2
C
O
2
present or without
C
O
2
CO_2
C
O
2
present?
QUESTION
Identify the best conclusion: A plant gains
2
k
g
2\,kg
2
k
g
mass while soil mass drops only
0.02
k
g
0.02\,kg
0.02
k
g
.
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ANSWER
Most new plant mass did not come from soil. The tiny soil loss can't account for the large plant mass gain.
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