A. Earths atmosphere contains 78 percent oxygen, which is essential for life.
<span>I believe in this instance you would be profiling them. You would be examining their behavior to see if there is anything to suggest that they might actually commit a dangerous act. This would be something that a detective or police officer would do.</span>
He landed on a island called <span>Hispaniola which is now Haiti and the Dominican Republic. Columbus mistakenly though it was North America but it was the West Indies </span>