The terms general, joint, and limited apply to which type of organization?

Which of the following does the reading test of the sat ask you to do ?

Which of the following sentences uses an incorrect verb? a. there is only one good candidate. b. many good candidates are possible. c. a good candidate is hard to find. d. there is many possible candidates.

How do refracting telescopes magnify a far away image? a. by directing light beams to meet at a focal point b. by absorbing light beams’ wavelengths c. by forcing light beams to change direction d. by measuring light beams’ velocity