I think it’s A blocking pathogen from entering block
Answer: El Niño is a part of a routine climate pattern that occurs when sea surface temperatures in the tropical Pacific Ocean rise to above-normal levels for an extended period of time.
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<em>hope this helps !_!</em>
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ENJOY groovie DAY</u></h2>
Answer:
Starch and water will be the best negative control
Explanation:
Negative control sample is a sample that will not give change in an experiment.
Starch and water will be the best negative control. This is because, starch is broken down by HCl to monosaccharides in the Benedict test which is the test for reducing sugar
Distilled water remain a negative control because it remain blue which means it does not reduce sugar with starch solution.
Water plus us a negative control for Buiret test (protein) and Benedict(reducing sugar) because it does not indicate the presence of protein and reducing sugar.
Answer: supplies oxygen and nutrients to our bodies by working with the respiratory system. At the same time, the circulatory system helps carry waste and carbon dioxide out of the body
Explanation:
