How Mendeleev knew more about an element than the scientist that discovered it.

i think it's a)sparta

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.

the united states began searching for a way to reduce oil

-agarvated