Why do scientists use ocean sediments instead of those found on land to
track climate history?

What are chlorofluorocarbons made of

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 .

As a result of these processes the single celled organism accomplishes