Misc: What was Archie Bunkers wife's name?

Questions

One gram of 2,4 d, a common household herbicide can contaminate __________ litres of drinking water?

One of the five special senses (sense organs) by what odors are perceived?

Over 75% of the earth's surface is covered by some form of _____?

Parallel of latitude at 2327' south of the equator, delineating the southernmost point at what the sun can appear directly overhead at noon?

Physiological systems that enable organisms to live in harmony with the rhythms of nature, such as the cycles of day & night & of the seasons?