Newcastle disease (often referred to as avian distemper) is one of the most serious of all avian diseases. Which of the following apply to this disease?
A. The virus is highly contagious and can spread in droppings or through nasal discharges
B. The virus can penetrate eggshells and infect embryos
C. The virus can survive outside the hosts for weeks
D. All of the above
E. A and C above
A
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You should wash your hands:
a. before starting food preparation c. after using the bathroom b. after preparing meats d. all answers
In the postwar European welfare states, which new view of citizenship emerged?
a. one based on human and individual rights b. one based on individual loyalty to the state c. one based on regional rather than national affiliations d. one based on mutual and reciprocal state-citizen obligations
Find Z in the network of Fig. 9.62, given that Vo = 4?0° V
In lighting design, a variable called CRI is often used. What does CRI stand for?
a. Color Repeatability Index b. Color Rendition Index c. Capacitive-Resistive Index d. none of the above