Answer:
At different times
Explanation:
The echo returns at different times, but faster in water. This is because water particles are bound closer and this makes them transmit vibration energy from one particle to the next quickly. An echo is a sound wave and sound waves are longitudinal waves that occur by the collision of particles to move the vibrations along, and this is why they move slower in air.
She's trying to fit in so she has to go out of her comfort zone. AND she hasn't had a vary good experience with people.
It is: be able to read write and speak basic english
Answer:
Its primary purpose is to provide evidence about a suspicious or questionable document using scientific processes and methods
For example if somebody steals money through a check, they can check the signature and see if the signature is forged or not which will help know if the check is real or not.
Explanation:
Its primary purpose is to provide evidence about a suspicious or questionable document using scientific processes and methods. Evidence might include alterations, the chain of possession, damage to the document, forgery, origin, authenticity, or other questions that come up when a document is challenged in court.
Questioned Documents are important in Forensic Science because it can help figure out if a signature is Forged or not. For example if somebody steals money through a check, they can check the signature and see if the signature is forged or not which will help know if the check is real or not.
