please explain reasoning!:)

1. Using the summary on the previous page for assistance, identify the relationship between each pair of molecules a. The two molecules are (pick one constitutional isomers, different molecular orientations of the same molecule, different conformations of the same molecule, cis-trans isomers.) CHE CHE CH, CH-CH:CH-CH2-CH-CH3 CH, b. The two molecules are (pick one constitutional isomers, different molecular orientations of the same molecule, different conformations of the same molecule, cis-trants isomers.) CHE CH, CH-CHE CH-CH-CHE CHE CH, CH, c. The two molecules are (pick one constitutional isomers, different molecular onentations of the same molecule eis-trans isomers 1 CHE CH2-CH3 CH, CH-CH3 CH3-CH . CHE 4. The two molecules are (pick one constitutional isomers, different molecular onentations of the same molecule, different conformations of the same molecule, cis-trans isomers.) CH, CH,CHE CH, H H CH,CH, e. The two molecules are (pick one constitutional isomers, different molecular orientations of the same molecule, different conformations of the same molecule, cis trans isomers) CHE CHE CH,CHE CH,CH, Donc f. The two molecules are (pick one constitutional isomers, different molecular orientations of the same molecule, different conformations of the same molecule, cis trans isomers) CH3 CH,CH, CHE CH,CH g. The two molecules are (pick one constitutional isomers, different molecular orientations of the same molecule, different conformations of the same molecule, cis-trans isomers.) CH3 CHE CH2CH3 "CH,CH