“In factories, robots perform hazardous tasks; in homes, they vacuum the floor.
What is the meaning of the word hazardous ?
unsafe
reliable
effortless
simple
Correct answer would be A when u have to figure out the meaning of words read the word to yourself and ask does this sound negative or positive n the word hazard n hazardous sounds negative so ur looking for something with a negative meaning so unsafe would be the best answer
