What major explanation did charles darwin provide? a. he explained how dna is passed on but did not have evidence of it occurring. b. the idea of speciation was first proposed by him. c. he was the first to provide an explanation of evolution supported by evidence. d. he explained how turtles adapted to their environment.

i think this picture will you.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.