Decide whether the activity is aerobic or anaerobic exercise: doing push-ups

What is the source of tension in this excerpt? ellery searching everything insects filling the light fixtures ellery standing on the desks louise carpenter whispering

If you want to change from landscape orientation to portrait orientation, what would you do? turn the camera around. flip the camera over. turn the camera 90 degrees. turn the camera 360 degrees.

Write what kind or how many for each adjective.