The roots of heavy metal can be found in the work of influential high-volume guitarists such as Jimi Hendrix, Eric Clapton, Jimmy Page, Pete Townshend, and Jeff Beck, as well as in the high-energy attack of bands such as the Kinks.

a. true
b. false

True

Explanation:

Heavy metal is a genre of rock music which emerged in 1960s in the United States and United Kingdom partly inspired by psychedelic rock, blues and acid rock.  

Lyrics of heavy metal genre and its styles are associated with machismo and aggression.

It was greatly found in the music of Jimi Hendrix, Jimmy Page, Eric Clapton etc. Kinks' "You Really Got Me" became a source of inspiration for the development of heavy metal, loud and distorted sound.

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings