The atomic number is the same as the proton number, so the answer would be 10.
Allowed for echolocation and underwater discoveries such as study of marine life
Answer: A. Several publications in the mid 1800s made the cruelties of slavery public in the north.
The Missouri Compromise of 1820, which allowed Missouri to become a slave state, further increased anti-slave sentiment in the Northern states. The abolitionist movement began as a more organized, radical and immediate attempt to end slavery than earlier movements.
The Ottoman Empire didn't welcome the newcomers, but it was certainly a much better place for these Jews to live than Spain or Portugal. The Ottoman Empire didn't welcome the newcomers beause they had an opposing Muslim religion previously. I apologize this isn't the complete answer, as I do not know much on this topic
Heres links to help --
https://en.wikipedia.org/wiki/History_of_the_Jews_in_the_Ottoman_Empire
https://www.myjewishlearning.com/article/the-ottoman-empire/
