The author most likely uses the tone in the passage to reinforce the point that

the US is now free from mad cow disease.
Hughes and his team are very accomplished.
another mad cow disease outbreak is possible.
Hughes dreams of fighting epidemics with his team.

In vernonia school district v. acton, the school district argued that a drug test was illegal under any circumstances. no student could refuse to take a drug test. drug tests were not given at random. drug testing was necessary to protect all students.

Based on the map, which statement best describes the neighborhood of washington heights? (2 points) washington heights is a gated community. people of many ethnicities live in washington heights. restrictive covenants prevent most people from living in washington heights. dominicans have gentrified washington heights. washington heights is a dominican enclave.

To what extent do you think the roman republic was democratic?