Answer:
B. The findings are not meaningful or valid because of the way she designed her study.
Explanation:
In a scientific experiment, a control group is a group of individuals/subjects that do not receive the experimental treatment. The control group is used to determine how much of an impact a treatment (in this case, cadmium intake) has on the variables being examined in the participants who are subjected to the experimental treatment. In any experiment, it is imperative to include a control group in order to validate experimental results. In this case, it is not possible to confirm that the loss of weight and abnormal hormone levels are due to cadmium uptake because only a control group would elucidate the contribution of cadmium intake on the variables being tested.
Answer: do you have a list/ category
Explanation:
Answer:
pregnancy test wasn't accurate.
Explanation:
*bows*
you're welcome.
lol alright fr though, you are better able to deal with stress when you know the -warnings signs- I took health last year for extra credits over the summer. 100% accuracy guaranteed hehe.
girl's periods get more regular, cramps are more likely.They can be mildly annoying to extremely painful, and they usually last for a few days. Cramps may worry some girls at first if they don't know they're often a normal part of having a monthly period.<span>
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Answer:
Wait what do you want us to answer? I don’t understand but I wanna help
Explanation: