Which item most likely symbolizes good luck?

a. a lightbulb
b. a snake
c. a lightning storm
d. a four-leaf clover

a and b are the correct answer to what your looking fior

comfortable

explanation:

one type of the adjectives is predicate adjective. a predicate adjective is an adjective which follows a linking verb and modifies or refers back to the main subject of that linking verb.

it usually is used just before the noun it modies.

here in this example:

'penguins seem comfortable in the coolest habitats', comfortable is the predicate adjective which follows the linking verb 'seem' and modifies the noun.

which book is it because i might knoe the anwser