I need help ASAP this is due soon

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 .

24. how are vaccines used to keep people healthy?

Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology