High blood pressure, is characterized by the narrowing of the aorta.
Answer:
He proved the universe is expanding
Answer:
The difference between a mold and a cast fossil are <u><em>a mold fossil is generated when an object is deposited in soft mud and then removed by decomposition or physical forces; a cast fossil is formed when a mold fossil fills up with sediment.</em></u>
Explanation:
ions are electrically charged particles formed when atoms lose or gain electrons
