Hey there!
A concrete noun is something people can see, touch, or basically use sense with.
Dog - This answer should be correct because you can use your senses with a dog. You can touch a dog with your hands and use your sense of touch.
Steve - This is a proper noun because this is a name of a person.
Wall - This is a common noun because it is just a thing/object.
Monica - This will also be a proper noun because it is someone's name.
Your final answer will be option A.
"Dog" is the concrete noun.
Hope this helps you.
Have a great day!
Answer:
it's a good decision however online is better but you know online exams are like free marks so it's good for those who are average students
Answer:because without an government you would be in slavery is that what you what to be in slavery being told what to do you have to know use your brain
Explanation: