Read the text and determine it's main idea. Most snakes are not dangerous, and me or helpful to humans. There are many different types of snakes in the United States, but only four types are poisonous. Snakes help humans by eating other animals that might hurt crops. Snakes can also save human lives. People can make many different kinds of medicine from snake venom.

What is the main idea of this paragraph?

the students want to see the great sphinx of giza, which is very popular with tourists.

in ray bradbury's short story "a sound of thunder", mr. eckels's fearfulness leads to drastic consequences for the rest of the world.

in the story, mr. eckels, who is a hunter, hires a time travel company to travel to the age of dinosaurs. although he is excited for the hunting expedition at the beginning, when they reach there and mr. eckels sees the tyrannosaurus, he feels frightened. as he is afraid of the tyrannosaurus, he steps off the path although he has been warned not to do it. by stepping off the path, the entire course of the future is affected: mr. eckart alters the future by stepping on a butterfly, which causes a new man to be elected president in the future. in that way, it is mr. eckart's fearfulness what triggers 'the butterfly effect' and what leads to drastic consequences for the rest of the world.

they fear for their lives

i cannot see any of the options