I believe that this is a primary source document
Answer:
D) a period during which the real GDP decreases for two quarters in a row.
Explanation:
USA Test Prep
Alfred Wegener hypothesis of continental drift was replaced in 1967 by plate tectonics. Today, the theory of plate tectonics is widely, this theory explains the structure of the earth's crust and many associated phenomena as resulting from interaction of rigid lithospheric plates that move slowly over the underlying mantle.
Answer:
The basis for America's foundation in liberty is found in The Declaration of Independence.
Explanation: