The distinction between an organic compound and an inorganic compound is that organic compounds contain:
A. Water
B. Nitrogen-Carbon bonds
C. Carbon-Carbon bonds
D. Carbon-Oxygen bonds
Answer: C
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What was Niels Bohr's explanation for the observation of atomic spectra?
A. Electrons could only move in discrete energy steps within an atom. B. Only certain photons with the correct energy could excite the quanta in the nucleus. C. Nucleons could be excited by different electron energies. D. Any photon could excite an electron. E. Electrons could not move in an atom.
What is the relationship between the wave crest, trough, height and wavelength?
Without looking at a map, we might deduce that the coordinates 170 W longitude, 11 S latitude are likely
A) just west of the International Date Line and just north of the equator. B) just south of the equator and just east of the prime meridian. C) just east of the International Date Line and just south of the equator. D) just east of the prime meridian and just south of the equator. E) just south of the International Date Line and just east of the equator.
Bottom-up pressure from consumers demanding ____ encourages more responsible fishing practices.
A. sustainably produced seafood B. fishing subsidies C. fishing only along coasts D. seafood caught by trawlers E. farmed seafood