What is the purpose of the proper handling of experimental subjects? a. to ensure that the experiment belongs to biology and not to physics b. to ensure that the hypothesis is shown to be correct c. to ensure that other people can read the observations recorded in a data table d. to ensure that good and reliable data are collected

d. to ensure that good and reliable data are collected.

Explanation:

The experimental samples are required to be handled carefully and precautions must be taken so as to avoid contamination. As if contaminants were introduced then it will lead to the error in the observational data.

The properly handled sample will provide data after the experimental process that can be useful in drawing reliable results.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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