The Hubble Constant is used as an indication of the universe expansion. When astronomers find the distances between stars, they use methods of parallax or the stars brightness.
F
It's between the Sagittarius and Perseus Arms of the Milky Way. The image below shows it. Our sun is located the Orion Arm<span>, or </span>Orion Spur<span>, of the Milky Way galaxy. It's a minor spiral arm, located between two other arms.</span>
C. Upward; downward. As the hot rock rises, cooler rock flows downward to take its place next to the core, where it is heated and becomes buoyant enough to rise again later
Answer: tuberculosis
Explanation:it's caused by a bacteria called Mycobacterium tuberculosis
