The answer would be the first one :)
Examples of physical changes in properties are melting, transition to a gas, crystallization, etc
Answer:
The act of carefully watching or examining a person or object when something is happening is known as an observation. An act of deriving rational conclusion from known facts or circumstances is called inference. ... On the other hand, the inference is an explanation or assumption of what one has perceived or seen.
Explanation:
True - ligaments can be overstretched.