A person who studies the universe and the objects in it is called al (an)

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A. astrologist

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B. astronaut

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C. astronomer

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D. meteorologist

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Identify whether each method of membrane transport is passive or active by dragging the label to the correct box.

What is the organic molecule produced directly by photosynthesis?

What is anal and oral sex?

Membrane phospholipids often have "kinks" in their tails caused by the presence of a single rather than a double bond between carbons. have hydrophilic tails that face outward and are exposed to water.

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In multicellular organisms, cells are arranged into groups that work together to perform a common function. What are these groups called? bones joints systems tissues

What substances move freely through the shell of the egg?

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