The answer is B) it is Rigid
Answer: German scientist Alfred Wegener
Explanation: <em>In the early 1900s, the German scientist Alfred Wegener noticed that the coastlines of Africa and South America looked like they might fit together. He also discovered evidence that the same plant and animal fossils were found along the coasts of these continents, although they were now separated by vast oceans.</em>
Catalase<span> is an </span>enzyme<span> that helps chemical </span>reactions<span> occur</span>
The best way of doing it without potentially causing harm to yourself, would be "wafting".