My friend gave a speech on democracy. This sentence has one abstract and two concrete nouns. are is true or false

True

Explanation:

Nouns are words we use to name everything that surrounds us, for example, people, animals, places, things, etc.

Concrete nouns are nouns we use to name things we can detect by our senses (sight, hearing, taste, smell, and touch). The given sentence contains two concrete nouns - friend and speech.

Abstract nouns are nouns we use to name things that are not concrete, things we can't detect by our senses, for example, qualities, feelings, concepts, ideas, etc. The given sentence contains one abstract noun - democracy.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

5.6⋅10−^19  j

do you need the explaination?