Answer:
Students who take a PE class and who will be eating sugary snacks before PE.
Explanation:
The control variable (or control group) is an experimental element which is constant or unchanged throughout the course of the experiment.
The option "students who take PE class and who will be eating sugary snacks before PE" will remain unchanged and constant because the whole point of the experiment is to see the effects on students performance in PE after eating sugary snacks.
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Answer:
The reactants are the Products of Photosynthesis which is glucose and oxygen.

Explanation:
A sitz bath
A sitz bath method of bathing is most appropriate for this client
.
A sitz bath is a warm, superficial method of bathing that cleanses the perineum (region between the genital area and the anus). The sitz bath is used when an individual recently give birth or when having discomfort from hemorrhoids. The sitz bath’s warm water promotes healing as it raises blood flow to the perineum. It also provides relief from pain, itching or irritation in the genital area.
Answer:
1. Substitution
2. Insertion and deletion
3. Amino acids can have more than one codon that signals for it. Due to this, some substitutions don’t affect the protein at all.
Explanation:
1. Substitution sometimes isn’t as impactful. It can result in the same amino acid to be signaled as the original one since amino acids can have more than one codon signaling for it.
2. Insertion and deletion are also known as frameshift mutations. This is because they shift the codon spots by adding or deleting a nucleotide.
Answer:
Each component is in balance with the other components. As long as the components are in balance, the ecosystem can remain stable and healthy. Ecosystems may remain stable for many years if the different components are balanced.