Because you might have just done something different with the experiment and messed up someway during the test
Explanation:
Catalase test demonstrate the presence of an enzyme called catalase, that catalyses the release of oxygen from hydrogen peroxide. It is used to tell the difference between the non-catalase producing bacteria from those bacteria that produces an enzyme catalase. Catalase is produced by the bacteria that respire using oxygen. If an organism produces catalase, bubbles of oxygen are produced when hydrogen peroxide is added to it.
Answer:The answer is Desert
Explanation:The dead giveaway is thick skin to prevent water loss and burrow to escape the heat.
Answer: They are as adorable as any animal could be.
The answer is D: test possible choices and then avoid ones that are not desirable.
