Answer:
flexing jaw muscle
Explanation:
It is not as descriptive as the others, and it also is hard to be noticed.
Answer:
Claims of ancient bacteria discoveries have been disputed by scientists.
Explanation:
They are abstract nouns because they don't state directly what they stand for but rather a vague meaning left to individual interpretation. Concrete nouns would be blatantly specific in their meaning with little room for individual interpretation of their meaning.
I guess the sort of info you would look for would be the temperature, how sunny/cloudy it will be, and what the weather will be like at that certain time.
Answer:
The songs from the musical WERE written by a lyricist in another city.
