Which sentence uses the word treacherous correctly?

Which of the following is a good way to avoid aggression on the road ? a. gripping the steering wheel tightly b. taking some deep breaths c. turning up the temperature

The transcontinental railroad runs from the to the i. north ii. south iii. east iv. west a. i and ii b. ii and iii. c. iii and iv d. ii and iv

What is the term for a short statement about history that has not been yet been proved