Which industrial facility is most likely to produce sludge and wastewater polluted with hydrocarbons?
A. A paper mill
B. An oil refinery
C. A leather tannery
D. A nuclear power plant

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 .

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Name the glands associated with human digestive system