Answer:
The city was taken off the Detroit water system to save money.
The optimum temperature of salivary amylase ranges from 32°C to 37°C.<span>This applies to the human body since salivary amylase is suitable to function within these temperatures. After </span>37°C<span>, the graph then steeply declines as a result of loss of activity. At 50°C and 70°C, salivary amylase is denatured.</span>
In fish, the heart only has one atrium and one ventricle. The oxygen-depleted blood that returns from the body enters the atrium, and then the ventricle, and is then pumped out to the gills where the blood is oxygenated, and then it continues through the rest of the body.
