In Chapter 1 of The Hobbit, why is Bilbo startled by Gandalf's first visit? Gandalf demands an invitation to tea the following week.

Gandalf says he will be sending Bilbo on an adventure. <--- this is the correct answer

Gandalf sets off fireworks in Bilbo's meadow.

Gandalf scratches a mark on Bilbo's door.

evertheless he ought to be slow to believe and to act, nor should he himself show fear, but proceed in a temperate manner with prudence and humanity, so that too much confidence may not make him incautious and too much distrust render him intolerable.

explanation:

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.

true. your welcome. mark me brainliest.