Streaked can be an adjective or a verb.

Is lined a verb or adjective?

LINED (adjective) definition and synonyms | Macmillan Dictionary.

Is the word appears an adjective?

Appear: how something looks

We use appear to say how something looks or seems to look. We usually follow it by an adjective or by a to-infinitive: ... Less often, and in more formal situations, we can use appear with an adjective + noun: She appears quite a nervous driver.