What qualities enable people to perform well when facing heart-pounding fear or stress

To meet the needs of commuters in the industrial age, city planners implemented the use of phonographs. provided more horses and carriages. borrowed technology from railroads. constructed new telephone lines.

The significant structural shift that happens between chapters 21 and 22 is

How does the map develop the central idea that scholars at jundi shapur spread the knowledge of sugar? the map illustrates the spread of sugar from new guinea to persia. the map shows that sugar was being refined primarily in the north rather than the south. the map illustrates the spread of knowledge about refined sugar processing to egypt. the map illustrates that people in china knew how to refine sugar and shared this knowledge. the answer is c