Place the locations of a watermelon in order from most to least potential energy.
on a roof
above a refrigerator
on the ground
aboard a flying plane
atop of a table

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".

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

i won't lie i don't know so go online and ask google thats what i do