Why are live oak leaves falling from my tree in august

Asap! can someone give the answers ?

Which evidence from the text best supports the idea that malcolm and donalbain believe they need to flee scotland before someone tries to murder them too?

The knights of the round table were bound by the code of chivalry that called for loyalty to king, god, and lady.  in which set of lines from  sir gawain and the green knight  does sir gawain describe upholding this code?