What was one of the challenges dr. salk faced in his attempt to create a polio vaccine? dr. salk did not have enough money to pay for his research and supplies. dr. salk had to create one vaccine that was effective against three different viruses. dr. salk had to convince government officials to allow him to test the vaccine. dr. salk's idea for a vaccine was not supported by other scientists and physicians.

The following are sumerian inventions, except

The diffusion of religion is biggest described as the process of

Ron works for a large american company that is thinking about buying another large company. before the deal is announced, ron writes an article for the paper that tells all of the details of the possible business deal. ron's boss fires him for giving secret company information to the public. why is ron's company allowed to fire him without violating his "freedom of speech" rights? a. companies are fully protected by free speech laws. b. ron's boss was not born in america. c. newspapers do not count as speeches because they are written. d. ron's company has a right to protect its interests. the answer is d