Answer:
high levels of oxygen
Explanation:
my science teacher once told me
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It is the biosphere, which is all the ecosystems of the earth
In biosphere, it is the total organismic life and their entire species on which how they interact with the co-organisms. While biodiversity, is the different and varied living organisms and creatures across the ecosystem or the biosphere, on which is the composed the biotic environment. This may include now the hierarchy and organization among the species of the autotrophs and heterotrophs.<span> </span>
Copied but correct answer.
Answer: C (She hasn't fastened the slide to the stage
Explanation:
In Microscopy even if the slide is not yet in focus,she will be able to see part of the slide which may appear as transparent image.Therefore this is a wrong answer.
If the microscope is not plugged it light can not come up.
If there are no specimen on the slide,the slide will still as transparent image at the focus.
No doubt Stella forgot to fasten the slide to the stage.,therefore the specimen on the slide was not in focus of the objective lens,rather she was focusing on the stage only,hence the visible white light.