Suitable adjective for there is promblem with the battery

There is serious problem with the battery

Explanation:

Adjectives: These are words that are used to describe or modify a noun or pronoun. They describe attributes or qualities of the nouns Adjectives are placed usually before they noun or pronoun they modify or describe.

Serious is a descriptive adjective which describes the severity of problem.

Adjectives may be of the following types;

Descriptive adjectives: e.g. happy, tall, cold, hot, nice, bad, good etc.

Demonstrative adjectives: e.g. this, that, these, and those.

Indefinite adjectives: e.g. all, another, any, both, each, either etc.

Interrogative adjectives: e.g. which, what, and whose.

Possessive adjectives: e.g. my, your, his, her, its, our, their.

where are the sentences? post a picture

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.