Answer:
Explanation:
The human ear is the organ for hearing. It converts sound waves into electrical impulses through which the brain processes to facilitate our hearing.
The ossicles inside the ear amplify sound waves they collect from the environment and transmits them into the inner ear.
Once in the inner ear, they are converted into electrical signals the brain can easily understand and discern.
Answer:
Water cycle
Explanation:
Water rains from the cloud into the ocean. Then the water gets sucked back up to atmosphere of the clouds
The answer is C. A layer of rock or soil that holds water underground.
Answer: Anesthesia
Explanation:
Anesthesia was used in 95% of Civil War surgeries. Sulfuric ether had been discovered in Europe in the 1830's and was first used as an anesthetic by William Morton in 1846. After a successful public demonstration it became widely used in surgery.
B .The membrane is what separates, and is the system boundary.<span />
