Answer: d) difference threshold.
Explanation:
Difference Threshold:
The difference threshold which is also called noticeable difference is the least difference in stimulation that we can detect half of the time. When the difference is noticeable on the eye or can be felt we are able to detect it through threshold difference.
For example if you are carrying a 25 litre bucket of water with your hands and initially it has 10 litre of water inside as one keeps adding water on it you can feel the difference as it get heavier the ability to detect that change in how heavier the bucket is becoming is known as the threshold difference.
The ability for Emily to see and spot these differences between two colours which may look similar is through threshold difference to detect that least stimulation in differences.
Answer: Bulgarian ethnic group
Explanation:
This can be best explained due to many facts surrounding her, ranging from; being a native of Bulgaria, having a close proximity to her extended family in her native country, speaks her native language despite living in another country, and her love for Bulgarian delicacies.
Thus, with all the aforementioned points emphasized, we can say categorically that Cecilia belongs to the Bulgarian ethnic group.
Answer: A) some depth perception is lost - Binocular Cues
I'm gonna go with B) Urban Egypt is modern: rural Egypt is traditional.
