Okay, help me with this.

Diminish

Explanation:

Diminish means: to disappear, evaporate, melt. become less intense and fade away gradually. die down.

conversing outside - a.

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.