What is the atomic theory? NO LINKS AND NO FAKE ANSWERS

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

  the mississippians were considered to be  horticulturalists, which means they were