music: 60's Chart Toppers: Name The Artist: She's Not There?

Questions

On what river is London, England?

On what scale are there 180 degrees between freezing point & boiling point?

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 _____?