Choose the letter of the implied main idea of the passage below. Dolphins use a process called sonar to find their way and to find food. They emit sound waves that bounce off
objects and return, giving the dolphin information about size, distance and density. Some scientists think the
dolphins can even "turn up" these sound waves and stun their prey. They know for sure that certain levels of
sound waves could easily kill a large squid in a matter of minutes. If these scientists are correct, dolphins
could easily kill each other—yet they don't.
Sonar can kill.
Dolphins do not kill each other.
Dolphin sonar is a powerful tool that is used with skill and care.
Sonar enables dolphins to find their way around.

the first step is to convey the appropriate emotions.

the sample answer on e2020

conflicting values are demonstrated between two different groups in animal farm. first, the farm animals value hard work. this is shown by them working late and working long hours at the request of the pigs. napoleon and the pigs, however, sleep late daily. furthermore, the animals value equality. this differs from the value of napoleon and the other pigs. instead of equality, they value only gaining power and maintaining their own privilege, which is demonstrated by their taking extra milk and sleeping in beds.

i am not sure if this is the correct story but i think the answerr is when twain's confidence when he asked twin a question

explanation: