Answer:
Difficulty
Explanation:
Space exploration was the last thing the world could have thought of dabbing into because the idea of moving away from the earth and flying in the sky wasn't even an easy one for man, hence the difficulty attached with going into other planets was a big success.
Many trials were made before the eventual success experienced, this many difficulties man overcame is what is meant by barrier in this sense.
Scenes, thats how we do it. <span />
It refers to environment, culture and experience.
The version of the sentence that has correctly placed commas is: Noah, who draws comic books in his free time, wants to write a graphic novel.
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What is an Adjectival Phrase?</h3>
An adjectival phrase is a group of words that offers further explanation about a subject.
In the chosen sentence, the adjectival phrase, "who draws comic books in his free time," provides more information about the subject, Noah.
Learn more about adjective phrases here:
brainly.com/question/139793