Which of the following statements about tuberculosis is false?
a. it usually affects the digestive tract.
b. it responds to a long course of antibiotic treatment.
c. most infected people have latent infections.
d. it is typically transmitted via the respiratory route.

How does friction with the atmosphere affect the speed of an artificial satellite

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.