Answer:
difference threshold
Explanation:
Darrius is trying to play a trick on his housemate. He wants to add more weight to her backpack before she leaves for school, but he doesn't want her to notice it. He should determine the difference threshold so that he doesn't add enough for her to notice the additional weight.
I'd assume that the answer is Career Fair from past experience. I hope this helps!
False.
Seatbelts<span> can help to save lives. They are </span>important<span> safety features that, like air bags, help to protect a driver or passenger in a collision and minimize injuries. Those who do not wear their </span>seatbelts<span> while in a vehicle put themselves at greater risk of severe injury or even death</span>
