1. The word "country" is a concrete noun because it refers to a physical place that can be seen and touched.2. The word "thunder" is a concrete noun because it refers to a sound that can be heard, while the word "child" refers to a physical person who can be seen and touched.3. Both "basketball" and "football" are concrete nouns as it refers to the physical ball used in the game, which can be seen and touched.4. The word "waiters" and "tourists" are concrete nouns because it refers to a physical person who can be seen and interacted with, while the word "hotel" is a concrete noun because it refers to a physical building which can be seen and touched.5. The words "orchids," "roses," and "plants" are all considered concrete nouns because it refers to a living organism that can be seen, touched, and smelled. The words "garden," and "grandmother" are concrete nouns because garden refers to a physical place that can be seen, touched, and interacted with the senses, while the word "grandmother" refers to a specific person who can be seen, touched, and interacted with.6. The word "insect" is a concrete noun because it refers to a small animal with six legs and, usually, wings, which can be seen and touched.7. The word "country" and "spot" both refers to a physical location that can be seen and touched.8. The word "people" is a concrete noun as it refers to human beings who can be seen, touched, and interacted with. While the word "jewel" refers to precious stones or other jewelry that can be seen and touched, the word "spices" refers to substances used to flavor food, which can be seen, touched, and smelled, therefore they are both concrete nouns.9. "Amy" is or could be a concrete noun as it refers to a specific person which can be seen, touched, and interacted with. The word "driveway" is a concrete noun because it refers to a physical path or road that leads from the street to a house or a garage, which can be seen and touched.10. "Garbage" and "pollution" are concrete nouns because the word garbage refers to a physical waste which can be seen and touched, while the word pollution refers to harmful substances in the air, which can be seen and sometimes smelled.