The body's first line of defense against pathogens includes
a. antibodies.
b. memory cells.
c. t cells.
d. wax in the ears.

When you accidentally commit a traffic violation,others are likely to be angered because they. a.can be endangered by the action b.have an unsympathetic disposition c.never make mistakes of their own

The byzantine empire weakened after asia minor

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies