The 1h nmr spectra corresponds to an alcohol with the molecular formula c5h12o. deduce the structure from the spectra.

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

4d^55s^1 ( third choice)