Answer:
A. a description
Explanation:
The passage is actually a description. The speaker describes the personality and passion of the Challenger crew.
The speaker stated in his description that they were daring, brave and possessed special grace. He further describes the type of passion they had; one that wished to serve. They were hungry to explore the universe. The speaker also describes the crew as pioneers.
So, the primary text structure is a description.
Abraham Lincoln<span> (</span>12 February 1809<span> – </span>15 April 1865<span>) was the </span>16th President of the United States<span>, serving from March 1861 until </span>his assassination in April 1865<span>.</span>
