Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.
Student 2 is correct and the same group of worms should be used.
<h3>What is an experiment?</h3>
An experiment is the process by which we establish cause and effect relationships in science. The control variable are those that must be kept the same in the experiment.
We know that the experiment will only be valid if the research is carried out with the same group of worms. If different groups of worms are used, other factors may account for the results obtained.
Thus student 2 is correct and the same group of worms should be used.
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Answer:
All foods have mixtures of the energy-giving nutrients.
Explanation:
Meat is not only made up of protein, iwrongt would be naive to say to meat is wholly protein, since other nutrients are present.
Every food possesses energy-giving nutrient mixtures. Meat for example, as high protein content, significant amount of lipids, fat-soluble vitamins (A, D, E and K), water-soluble vitamins (the vitamin B family).
