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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Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Using meiosis, the sporophyte produces spores that are .