I NEED HELP, WILL GIVE YOU BRAINLIEST !!! Read the following selection:

The wheel stands out as an original engineering marvel, and one of the most famous inventions. This basic technology not only made it easier to travel, but also served as the base for a huge number of other innovative technologies. Yet, the wheel is not actually that old. The oldest known wheel is from Mesopotamia, around 3500 B. C. By that time, humans were already casting metal alloys, constructing canals and sailboats, and even designing complex musical instruments such as harps.

In fact, the main invention was not the wheel itself, which was likely invented the first time someone saw a rock rolling along, but the combination of a wheel and a fixed axle, which allows the wheel to be connected to a stable platform. Without the fixed axel, the wheel has only very limited utility.

In your own words, what was the author's purpose for writing this selection? Answer in the comment box that is blow this question.

A: to inform

-the author uses an informative tone by explainging something to the reader in detail using facts and it looks like something you would see in a school book

This tells all the things which are invented are inter dependent with each other so all are inter dependent on each other and no one is a solo winner...

the price of our current war is high; it costs money and it costs lives.

but it does not cost our pride. it does not cost the guilt that would arise from knowing that we did nothing to intervene while our neighboring nations fell to despotic leaders.

it does not cost the terror of knowing that our allies are unstable. it does not cost the fear that we, too, will be next to fall.

which sentence most accurately explains why the speaker's use of the parallel structure is effective in this passage?

a. it underscores that disagreement will not be tolerated and will be dealt with swiftly.

b. it makes the speaker seem like a decisive and capable leader.

c. it emphasizes reasons to fight and inspires listeners to aid the war effort.

d. it establishes the speaker's credibility by acknowledging the difficulties of war.

tu caminas en las clase de educacion fisica.

its translates: do you walk in in your physical education class?