Tell me one reason why many setups should be used in both the experimental and control group ! answer this !

to make the test fair and to make sure that you didnt make a mistake i.e. if you have an anomyous result

/the trachea, commonly known as the windpipe

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: