It killed so many people and make everything infected
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.
<u>Answer:</u>
The crinkling sound of the bag is the conditioned stimulus for the rabbit.
<u>Explanation:</u>
- The rabbit has got acquainted with the fact that every single time the crinking sound is made, it is followed by a treat. Hence, any crinkling sound heard by the rabbit is processed as an indication of a treat on its way.
- This is because the sound stimulates the senses of the rabbit.
- The rabbit is unable to distinguish between the sounds of bags crinkling. Thus, it responds in the same way every single time it gets to hear a bag crinkling.
Answer:
The biggest rain forest in the world is The Amazon rainforest.