Final answer:
Common nouns vs. proper nouns identification in sentences.
Explanation:
Common nouns are general and non-specific, like 'doctor' or 'palace', while proper nouns are specific and capitalized, such as 'Harper' or 'The Queen'.
In the given sentences:
- 'trees' in 'The orchard has many trees'
- 'doctor' in 'The doctor works in the hospital'
- 'mountains' and 'trees' in 'Harper painted mountains and trees'
- 'king', 'queen', and 'palace' in 'The king and the queen live in the palace'
Learn more about Nouns and their types here:
https://brainly.com/question/38166030