Explain the evidence Hess used in his theory of sea-floor spreading.

Which civil rights act banned discrimination against any person based on race or color? question 7 options: 14th amendment 15th amendment civil rights act of 1964 voting rights act of 1965

What statistics are to determine the development of a nation?

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle