An atom's nucleus has what kind of charge?
A. Negative.
B. Positive.
C. both of these
D. none of the above
Answer: B
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What set of coefficients is necessary to balance the following chemical equation? ____ Sn2+ + ____ Ag ? ____ Sn + _____ Ag? A) 1, 2, 1, 2 B) 1, 1, 1, 2 C) 1, 2, 2, 2 D) 1, 1, 2, 1
____________ possess backbones. Fill in the blank(s) with the appropriate word(s)
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A) body mass B) hunting skills C) overall size D) sexual attractiveness E) surface area
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A) environmental justice for all B) a profit C) a sustainable market D) the ecosystem services that we depend on E) a safe habitat for endangered species