I believe the answer is The Dolphins.
In their Cooperative hunting, The dolphins requires five of its members to form of barrier while one or two of them are herding (Driving) their preys toward the barriers. And each dolphins will always play the same role in their group just like what we see in a football team.
The range for em radiation should be a range of 50 yards hope this help's. <span />
Answer:
Explanation:
ok but what is the question
<span>D. It shows that the electrons within an atom do not have sharp boundaries.</span>
