The correct statement is,
But in fact, the truth may be hidden in this ordinary-looking piece of meteorite known as Rock 84-001.
The report discusses the possibility of life on Mars and explores the life's probable origins. The thesis statement brings our attention to the main topic of the report, which indicates that the report will focus on the piece(s) of evidence found in this specific meteorite.
Arteries like veins, are tube-shaped vessels that carry blood in the body.
But the difference is that the artery carries oxygenated blood away from the heart to the body. But the veins carry poor-oxygen blood back from the body to the heart!
I hope this helps! :)
Gene (DNA) expression would be B