Which part of the electromagnetic spectrum astronomers understand that the crab nebula contains hydrogen?

gamma rays
microwaves
radio waves
visible light

Why might the author have included the detail about father paul picking up the magazine? 1. it illustrates the constant conflict father paul faces in trying to communicate with leon.2. it establishes father paul as a well-read intellectual.3. it suggests that similar missionary work was causing conflict in other places as well.4. it shows that he was trying to remind himself that he did not agree with the people’s beliefs.(it's 3 )

Based on how the stage directions are used in this excerpt from act 1 scene 1 of richard iii what was likely the main purpose of providing stage directions in drama

When your appreciate the opinions of other teammates you show