How does Twain's decision to insert his own writing between passages from Susy's Biography affect the meaning of the passages from Susy's Biography?

norsemen from northern countries had made earlier journeys

germany

explanation:

a rocket engine utilizes collected rocket explosive mass for producing its high-speed propulsive jet. rocket engines are effect engines, achieving thrust in accordance with newton's third law. maximum rocket engines use flaming, although non-combusting methods (such as cold gas thrusters) also exist.