<u>Answer</u>:
(A) A merry go round
This analogy best describes the shape of how the stars located in the galactic disk orbit.
<u>Explanation</u>:
According to many recent scientific studies, it is estimated that our Milky Way has over 200 billion stars, in which most of all are located in the Galactic disk, close to the nucleus and bulge in the center.
The galactic disk is made of a large quantity and percentage of gas and dust as well a huge number of stars, both old and young ones. In this faction of the milky way, the galactic center is orbited by the stars in circular motions, which is due to the interaction with gravity causing some up and down actions mixed with the circular orbits.
Jonas Salk is known for essentially eliminating the polio disease in the 1950s
It was made by afircan slaves
Answer:
Colonies were important to Europe because they helped to ensure the wealth and trade of the countries of Europe. Colonies allowed Europe to establish trade routs, bring in raw materials which were then manufactured into finished goods and sent back to the colonies for sale.
Explanation:
George Washington was the first president
