Answer: Correct option is 3.
Explanation: Properties of Acid:
- They are liquids.
- Acids are the ones which donate hydrogen ions to the solution.
- They turn blue litmus paper to red.
- They are corrosive in nature.
- They are sour in taste. For example: vinegar
From the above properties written, it can be said that option 3 is correct.
Answer:
The lungs' main role is to bring in air from the atmosphere and pass oxygen into the bloodstream. From there, it circulates to the rest of the body. Help is required from structures outside of the lungs in order to breath
Explanation: