Answer: Tobacco/Smoke
Explanation:
When it goes into your lungs, it affects you causing a way to have difficulty breathing.
The answer is B (example: color blindness)
Answer:
Epithelial cells
Explanation:
Epithelial cells are cells that secret mucus to prevent friction between organs. Like between the Heart and Lung.
Heat energy is when heating comes and temputure is when you measure hot or cold in climates or I think
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.