In the case of bottled water, it's not the water that has an expiration date but the bottle itself.
After a period of time, influenced by the amount of sunlight exposure, the plastic bottles encasing the trickled through mountains water will begin leaching chemicals into that delicious water.
Use a reusable recycled water bottle. :)
Yup correct thuwuer ti min
Answer:
dependent variable
Explanation:
In researches, dependent variable refers to the things which values are intended to be measured by the researchers. Dependent variable could take form in different varieties including object, situation, event, idea, or any other type of category.
Researchers will pair this dependent variable with other independent variables in order to find out whether other independent variables could provoke a change in the dependent variable.
Answer:
The answer is a double-blind study.
Explanation:
A double-blind study is a research method in which neither the participants or the researchers are aware about which group is receiving the treatment. This is done in order to avoid biases such as the placebo effect, as well as preventing accidental cues given by the researchers.
The greatest advantage of this approach is its high validity.
