A woman’s menstrual cycle usually lasts about 28 days *TRUE*
It should be a chemical change
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:
2HCl is the product of this reaction 2 is added in order to balance the reaction
