Common and Proper Nouns

Dora visited Yellowstone National Park last summer. Is the underlined word a common or proper noun?

Is the underlined word in 'The park lies mainly in Wyoming' a common or proper noun?

Is 'United States' a common or proper noun?

Identify if the underlined word in the sentence is a common or proper noun: 'The park's geysers attract many visitors.'

Is 'geyser' a common or proper noun?

Old Faithful is the most famous geyser. Is the underlined word a common or proper noun?

Is 'excitement' a common or proper noun?

Mammoth Hot Springs: Common or Proper noun?

Identify if the underlined word in 'Dora hiked up to Yellowstone Lake' is a common or proper noun.

Is 'love' a common or proper noun in: 'Her love of Yellowstone is apparent.'?