Answer:
1.and, whereas
2.while,not only, but, and
3.since, until
4. And, although, than, or
5. Neither, nor, not only, but they also
Explanation:
<span> They are formed over many years when windblown </span>sand<span> is trapped by beach grass or other stationary objects. ... Without vegetation, wind and waves regularly change the form and location of </span>dunes<span>.</span>
Answer:
The correct answer to this open question is the following.
Unfortunately, you did not include the article, a link to it, the name of the article, or the author.
However, trying to help you, we can comment on the following.
We are assuming you are talking about the history of aviation.
So let's go back in time and place our first date in 1903 when the famous Wright brothers -Oliver and Wilbur- made the first controlled flight against all odds.
In 1919, and after many tries, there was a major goal accomplished when the airplane NC4 crossed the Atlantic Ocean for the first time.
Here comes Charles Lindgergb. In 1927, he literally flew solo. He piloted a nonstop flight from New York to France. The nave of the airplane: the Spirit of St. Louis.
Passenger flights crossing the Atlantic Ocean started in the 1940s and increased in the 1950s.
One decade later, in 1960, the impressive 747 was released by Pan American Airlines, one of the most renowned companies of that time.
Explanation:
