What is a DEPENDENT variable? A. the group under normal conditions that is not
experimental
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B. the variable that is changed and being tested
C. the variable being recorded or observed
D. the observation made that began the experiment

B,the variable that is changed and being tested

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle