Experiment yeast fermentation ，what is the purpose of boiling the glucose solution earlier？​

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

What is hydroelectric power produced by?

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions