Most animals have their own habitats ..........(1) some make long journeys from one region to another. This ..........(2) called migration. It takes place at a particular ............(3) of the year. Birds are the best-known ............(4) but many other animals also migrate to places with ..............(5) climate.
Select the most appropriate option to fill in blank number(1).

Options

A. 1) but
B. 2) because
C. 3) so
D. 4) as

Answer

A