False.
It can either be called Dependent or Independent variable.
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<span>Of the 118 elements that have been discovered, 90 of them indisputably occur in nature. There is disagreement over whether four more or eight more occur naturally as a result of radioactive decay of other natural elements. The answer is, therefore, 94 or 98.</span>
Answer:b
Explanation:
Heterogeneous mixture because it is not chemically bound together