Packet fragmentation is not normal, and can only occur if an attack has been initiated. true false

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

the answer to your question is tooth decay.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves