Answer:
D
Explanation:
according to Darwin, out of the vast no of individuals which compete for a place in the world, only those having advantageous variations survive and reproduce
you can use the idea of molecular masses to calculate easily
there r 118 elements in periodic table..
hope it helps.
Redox
Reduction is gain of electrons
oxidation is loss of electrons
Ecstasy,LSD, Rohypnol
<u>U</u> <u>VORBELLO</u> <u>FRANÇAIS</u><u>?</u><u>?</u><u>?</u>