Which describes gyres in the northern hemisphere? O They move cold water from surface to bottom of the ocean.
O They move warm water from equatorial regions to polar regions.
O They move warm water from the surface to the bottom of the ocean.
O They move cold water from equatorial regions to polar regions.

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 .

Draw the structure of dna nucleotide with adenine as nitrogenous base

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen