I believe it is known as the "margin of error" (B). Hope this helped!
<span>Their wings are better at swimming - 'and no bird can excel at both' The reason why penguins cannot fly has finally been laid to rest, researchers claim. Penguins cannot fly because they are such good swimmers - and no bird can excel at both.</span>
D. Arapahoe Community College
Answer:
Conservation groups and government, i'm pretty sure it's this one.
Explanation:
