Final answer:
The predicate in 'Blue flowers scattered across the field' is 'scattered across the field', describing the action of the subject 'blue flowers'.
Step-by-step explanation:
The predicate in the sentence 'Blue flowers scattered across the field' is 'scattered across the field'. This is because the predicate is the part of a sentence that tells us what the subject does or is like.
In this sentence, 'scattered across the field' describes the action of the 'blue flowers' (which is the subject). Predicates are important in English grammar as they give us valuable information about the subject and contain the verbs and other components which describe the subject's actions or state of being.