Geographers use two key questions every day. when using these two key questions to study the migration of birds, a geographer would ask "where are the birds going? " and "" a. what season is it? b. which birds are migrating? c. when are the birds traveling? d. why are they going there?

The answer is: D.Why are they going there?

The answer to this question would most likely related to their survival. When winter comes, very little plants would produce fruit. If this happen, the birds would experience a shortage in food supply.

In order to survive, groups of birds would migrate to the region with warmer climates where they can obtain enough food for their survival.

The answer is: D.Why are they going there?

The answer to this question would most likely related to their survival. When winter comes, very little plants would produce fruit. If this happen, the birds would experience a shortage in food supply.

In order to survive, groups of birds would migrate to the region with warmer climates where they can obtain enough food for their survival.

the vibration from the sound waves messed with the glass and it shattered.

hope this .

answer; the automatic system because it is a "gut reactor"