The answer is synthetic because synthetic means a substance made by chemical synthesis to imitate a natural product.
Answer: The Mind of a Hero
Explanation: the title suggests that the book is going to take a closer look into a hero’s mind, which means that they are going to further study this character.
Answer:
The first person to map the Milky Way Galaxy using radio waves was <em>Karl Jansky.</em>
<em>hop</em><em>e</em><em> it</em><em> helps</em><em>!</em>
