its 40
I just took the test right now to get this answer
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.
Answer:
Sulfur
Explanation:
Sulfur has 16 valence electrons, as shown in the diagram.
Answer:
They all have: nitrogen :780,900 755,100
oxygen: 209,500 231,500
argon 9,300 12,800
carbon dioxide
386 591
Answer:
B.
Converted to renewable ones
exhausted or depleted