Examlex
The choices below describe four hypothetical planets. Which one would you expect to have the most features of erosion? (Assume the planets orbit a star just like the Sun and that they are all the same age as the planets in our solar system.)
Independent Variable
In an experiment, it is the variable that is controlled or changed to test its effects on the dependent variable.
Chocolate
A sweet, typically brown food preparation of roasted and ground cacao seeds, often sweetened and consumed as confectionery.
Medical Placebos
Substances with no therapeutic effect that are used in clinical trials to compare the effects of actual drugs on patients' health conditions.
Active Ingredients
The components in a substance that are responsible for its therapeutic effects.
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