Having trouble keeping a friend from KHS PLEASE HELP

Which statement is true? a crt is a higher-level respiratory therapy certification. every crt is also an rrt a rrt is a certification that adds a specialization every rrt is also a crt

Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above