Answer:
false
Explanation:
you should always be able to test the hypothesis and try to make it correct
To test for the presence of reducing sugars, a food sample is dissolved in boiling water. Next, a small amount of Benedict's reagent is added and the solution begins to cool. During the next four to 10 minutes, the solution should begin to change colors. If the color changes to blue, then no glucose is present. If a high amount of glucose is present, then the color change will progress to green, yellow, orange, red and then a dark red or brown.
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase, because of an increase in agriculture and because more land will have to be cleared for increasing populations and agricultural use.
I believe the answer is B. they respond to stimulli
False. Evaporation is a physical change it is not a chemical change. It is a physical change because it is going from the liquid phase to the gas phase. It is not a chemical change because it is still made of two hydrogen atoms and an oxygen atom.
