Biology, 18.11.2020 20:00 alayciaruffin076
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7. The periodic table has changed over time as new elements have been added to it. Which
is the most likely reason scientists update the periodic table?
A. Scientists rename old elements.
B. Scientists discover new elements.
C. Stars produce new elements that travel to Earth.
D. Past mistakes are corrected in identifying elements.
Answers: 2
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If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?
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Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?
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Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods
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Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
Please help me
7. The periodic table has changed over time as new elements have been added to it. W...
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