Appear can mean 'seem'. In this case, it is a 'copula verb' , and is followed by an adjective or a noun. We often use the structure appear to be, especially before a noun, [subject + appear (to be) + adjective"] He appeared very angry. (NOT . . . very angrily.) [subject + appear to be + noun] She appears to be a very religious person.
Appear can also mean 'come into sight' or 'arrive'. In this case, it is not followed by an adjective or noun, but it can be used with adverbs. [ subject (+ adverb) + appear (+ adverb/adverb phrase)] A face suddenly appeared at the window. Mary appeared unexpectedly this morning and asked me for some money.
Fact
If the gross for "Gone With the Wind" were to be adjusted to allow for inflation in the period since its release, it would be regarded as the most successful film ever. .. More >>