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When Mr. Valdez thought his 1-year-old daughter had fallen down the stairs, his heartbeat accelerated, his blood pressure rose, and he began to perspire heavily. Mr. Valdez's state of arousal was activated by his nervous system
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Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”
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Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.
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Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?
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How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different
Answers: 1
When Mr. Valdez thought his 1-year-old daughter had fallen down the stairs, his heartbeat accelerate...
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