The expression refers to a double-barreled shotgun. To "give (something) both barrels" is to make the maximum effort at the task. ie. use both shotgun barrels.
It is similar to the expressions, "give it your all," "go all-out," "one-hundred-and-ten percent," and to give something "...the whole nine yards."
both kill em
Most of the EM spectrum is visible light.
That time pertains to an individual/object or space/situation and there is no overall time that is the same for everything.
Cell Phones depend on The EM Radio Waves to Work. By: And
False. EM Waves do not transfer matter, they transfer energy.
Give It to 'Em was created in 2010.
Give 'Em the Boot DVD was created in 2005.
Give 'Em More Rope was created in 2002.
them
anh chi (leader) doi (promontory; headland) em (I or me, Younger brother/sister, small) cho (To give)
Give 'Em the Boot II was created on 1999-10-19.
Give 'Em the Boot IV was created on 2004-11-09.
Give 'Em the Boot VI was created on 2007-07-11.
Give 'Em Enough Rope was created on -19-04-03.
Give 'Em the Boot III was created on 2002-02-12.
Give 'Em the Boot V was created on 2006-05-23.
Give 'Em the Boot - album - was created on 1997-07-29.