Answer:
Independent Variable:
temperature
dependent variable:
chirps
Hypothesis:
the lower the temperatures the less chirps
constants:
temperature or food and water
repeated trails:
success and failure
control:the experiment
The temperature in an autoclave must reach 121° C in order for sterilization to occur.
<h3>Sterilization using autoclaves</h3>
Autoclaves are used to wet-sterilize materials in the laboratory.
In order for the sterilization to be effective, the temperature of the autoclave must reach 121° C.
Also, substances to be sterilized must spend, at least, 30 minutes in the autoclave.
More on autoclaves can be found here: brainly.com/question/6756965
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Answer:
a. concentration gradient
Explanation:
i did it in apex and got it right.
The answer in the space provided is anaerobic respiration.
It is because this allows of having to utilize other substance than oxygen such
as nitrate or sulfate to be their electron acceptors in which is for organisms
that undergoes respiration.