Answer:
Kill circle or Combat formation
Explanation:
Combat formation is where Romans stood close together, acting as a wall. Each Roman' shield would block himself, and the person to his left.
A kill circle is a midline formation. Each soldier stands in a circle, making a circular shield wall. Protects the outside, but weak on the inside.
Using commentary as evidence helps the writer develop an argument.
Providing commentary helps the writer clearly articulate a claim.
A) a limerick is the answer
<span>an animal employed to carry heavy loads </span>
Silent Spring by Rachel Carson was an environmental science book. It presented the disadvantages of using pesticides to the environment, to the people who used and most especially to the birds around. The book became a tool to express awareness among the people the real harm of industries that made these things.