Read the following passage and then identify the main idea:
dolphins are mammals that live in the ocean. mammals are different from fish, reptiles, or birds. as mammals, dolphins breathe oxygen, even though they live in water. because it is a mammal, a dolphin mother gives birth to a live baby, unlike reptiles and birds, which lay eggs. a dolphin mother also feeds her baby milk like other mammals.
what is the main idea of this passage?
dolphins are mammals.
mammals are different than fish, reptiles or birds.
dolphins breathe oxygen, even though they live in water.
a dolphin mother also feeds her baby milk like other mammals.

Stress generally occurs when someone? a.becomes overconfident b.disregards others c.feels overwhelmed

"where are you taking me? " the car hesitated, or rather gave a faint whirring click, as if information, somewhere, was dropping card by punch- slotted card under electric eyes. "to the psychiatric center for research on regressive tendencies." he got in. the door shut with a soft thud. the police car rolled through the night avenues, flashing its dim lights ahead. which statement best describes the intended aesthetic impact of this excerpt? o a. by showing leonard obeying the police car, the author reinforces the theme of surrendering one s individuality. o b. by relating the way the car responds, the author underscores the theme of the dangers of a mechanized of society o c. by having leonard, a seemingly normal person, taken to a psychiatric center, the author injects irony, leaving the reader surprised o d. by showing leonard communicating with another person, the author satisfies his need for human contact, leaving the reader hopeful

Isaw my future flash before me and it did not take me anytime to slow down. i need to replace the words "it did".