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Given the unbalanced equation: Al + CuSO4 -.-> Al(SO4)3 + Cu.
properly balanced, the sum of the balancing coefficients is
When

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Mach the labels with the symbols on the weather map

Which statement describes the arrhenius interpretation of acids and bases?