Biology, 01.07.2019 12:00 backu1477

What does it mean to say that mass is conserved during a physical change?

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What type of lipids are found in all biological membranes?

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Biology, 21.06.2019 19:50, smartie80

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 .

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Biology, 21.06.2019 21:30, lkipjjjjjjjjjj5673

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Biology, 21.06.2019 22:00, chasity06

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?