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.
Answer:
I never would have guessed that Mr. Stratton would make me combine so many sentences, but I hope I won't have to combine many more sentences.
Explanation:
In the conclusion! This is because its usually seen at beginning of a paragraph
1. Even though
2. Despite
3. Nevertheless
4. Whereas
5. Though
6. Still
7. In spite
8. On the other hand
9. Whereas
10. Still
The answer is D because I did this stuff last semester and I passed it with a 89
