What is the correct label for a solution?
a. a homogeneous mixture
b. a gr...
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The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
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Which of the following involves only abiotic factors? a. a large rock being weathered by wind and rain b. an otter using a stone to break open a sea urchin c. a spider building a web in the corner of a building d. a pine tree absorbing light from the sun
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