What does dr. Pickhardt advise parents to do when responding to adolescent rebellion in "rebel with a cause"?

Class iii atmospheric hazards are those involving

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

If you are in grade when should you start studying for exams