65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids. What most likely killed off the dinosaurs? An asteroid impact caused the Sun to be blocked. They were crushed by an asteroid. The water supplies were polluted. Mammals evolved to be better competitors.
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Biology, 21.06.2019 16:00
In this experiment you were asked to present three possible mechanisms. describe those mechanisms here and include drawings of those mechanisms. how will the bromination of trans-cinnamic acid and trans-stilbene allow you to distinguish between the three possibilities? what would you expect to find in your data in each scenario?
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Biology, 21.06.2019 20:30
Which of the following statements are true chromosomes make up genes
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Biology, 22.06.2019 10:30
What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.
Answers: 2
65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There...
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