Special instruments can be attached to a telescope's enable astronomers to enhance by brightening or enlarging the image.
a. stand
b. reflexive lens
c. objective lens
d. eyepiece

Which of the following best describe how the depth-limited search works. a normal depth-first search is performed but the number of ply/depths is limited. a normal breadth-first search is performed but the number of ply/depths is limited. a normal breadth-first search is performed but values above a specific value will be ignored. a normal depth-first search is performed but values above a specific value will be ignored.

Which relativos possible when two tables share the same primary key? a.) one-to-one b.) one-to-many c.) many-to-one d.) many-to-many

One way news orginaztions can influence people is by: a.slanting information b.accepting all beliefs c.sharing a true perspective d.giving people money