Smoke. Fog. A shadow. The sun, moon and stars. A rainbow.
Yes, the noun 'sun' is a concrete noun. A concrete noun is a word for something that can be experienced by any of the five physical senses; something that can be seen, heard, smelled, tasted, or touched. The sun can be seen and its heat can be felt and measured. It's not recommended, but the sun is a physical object that could be touched if you could travel that far.
New moon
All of them. That's where they were discovered from. Only Neptune cannot be seen with the naked eye.
If you see a bird but do not see a shadow on the ground, it is probably because of the angle the light is coming from. If you drew an imaginary line form the source of light, (probably the sun) through the bird, you would find the shadow of the bird where the line touched the ground. If there is no light, the bird cannot make a shadow.
the new moon cannot be seen from earth because there is no sunlight hitting the moon so there is no reflection to see in the sky
Economists call the things that firms sell which cannot be touched or seen goods and services.
because conciousness cannot be seen or touched.
Economists call the things that firms sell which cannot be touched or seen goods and services.
Economists call the things that firms sell which cannot be touched or seen goods and services.
Economists call the things that firms sell which cannot be touched or seen goods and services.
Economists call the things that firms sell which cannot be touched or seen goods and services.
Economists call the things that firms sell which cannot be touched or seen goods and services.
Goods
An abstract noun names something that cannot be seen or touched.
Intangibles
No. Fear is an abstract noun, an emotion. It cannot be seen or touched.
An abstract noun names something that cannot be seen or touched.