Answer:
The amount of glue used, the material and how much of it you're using every time you test each glue, the temperature of the room, etc.
Explanation:
There are many answers to this question but think about the obvious ones first. Obviously you'll need to use the same amount of glue every time you're testing each type. The material used is also important and how much of the material you're using because different types of glue can work better with different materials, as well as how much material you're using. The temperature of the room can affect how well each glue holds up because often glue dries easier/quicker with heat, so in your experiment to make it fair you need to make sure that each glue is tested in the same environment.
D.)14 to 16 days ... at least for a fly with is an insect also
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Answer:
Explanation:
The first thing we need to know is that the amino acid of tyrosine has an aromatic ring within its structure.
Also, recall that aromatics hydrocarbons are considered to be unsaturated and non-polar.
So, since like dissolve like. Then, The non-polar character of tyrosine is enhanced by its aromatic ring. As a result, Tyrosine amino acid is much more soluble in less polar solvents like methanol and ethanol than in moderate highly polar water.
From the given information:
Since water is a very polar solvent, and tyrosine amino acid is not particularly polar, it is just barely soluble in it.
In addition to the aforementioned, peptides are strongly polar in nature. However, as the amount of tyrosine amino acids in a peptide increases, the region of the non-polar portion of the peptide increases (owing to the rise of the aromatic ring), and thus the non-polar value of the peptide will also rise. And this non-polar nature of peptide will make them more soluble in non-polar solvent and decrease its solubility in water (because water is polar in nature). And since peptides are non-polar, they would be more soluble in non-polar solvents and have less solubility in water.