Question Number 10 of 20 - 8th Grade Science
Hypothesis: If the amount of nitrogen fertilizer is increased, then the height of the corn increases.
Which of these is the independent (manipulated) variable for an experiment testing this hypothesis?
f The size of the experimental groups
g The number of corn plants in the experimental groups
h The height of the corn in each experimental group
j The amount of fertilizer added to each experimental group
1 answer
j The amount of fertilizer added to each experimental group
1 answer