How does an atom become a positive ion?
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a. it gains an electron.
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b. it gains a neutron.
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c. it loses an electron.
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d. it loses a neutron.
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Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

Which statement best describes the role of religion and culture in ancient medicine?

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.