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viktelen [127]
3 years ago
6

Can someone help me with this question?

Biology
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer:

research question: how do different humidity levels affect the heights of different types of trees

independent variable: humidity level

dependent variable: tree height

constants: temperature, light, duration of time

control group: tree left outside in normal conditions

Explanation:

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