Answer:
Kat should get a whistle that emits sounds in the range of <u>23 and 54,000 Hz</u>.
Explanation:
The hearing range is the frequency range that can be heard by the animals, including humans.
Generally, the hearing range of humans is about 20 to 20,000 Hz and the hearing range of dogs is around 67 to 45,000 Hz
Dog whistles are the whistles which emits ultrasonic sound and are used for training dogs. <u>Generally, the dog whistles are within the range of 23 to 54,000 Hz and thus, can not be heard by the humans.</u>
Answer:
Dred Scott v. Sanford in 1857
Explanation:
The ruling said that all African Americans were not U.S. citizens. Dred Scott tried to sue so he could have his freedom.
Answer:
Attribution
Explanation:
Attribution in social psychology is the method of determining the reasons for events or behaviors. Attribution is used in our daily life, usually without any knowledge of the underlying mechanisms and prejudices that contribute to our self serving biases. Therefore attribution perspective unfolds the cause of human behavior.
The south grew in economic Importance
Answer: The child will engage himself in free exploration to the surrounding, and also be happy upon the caregiver's return
Explanation:
According to the theories of John Bowlby (1988), a child is securely-attached if she is confident of her caregiver’s support. The attachment figure serves as a "secure base" from which the child can confidently explore the world.
The securely-attached child explores the room freely when his mother is present. He may be distressed when his mother leaves, and he explores less when she is absent. But he is happy when she returns.
If he cries, he approaches his mother and holds her tightly. He is comforted by being held, and, once comforted, he is soon ready to resume his independent exploration of the world. His mother is responsive to his needs. As a result, he knows he can depend on her when he is under stress (Ainsworth et al 1978)
Secure attachment is also associated with
keeping track of the caregiver during exploration,approaching or touching the caregiver when anxious or distressed;finding comfort in proximity and contact
And, in the long-term, kids with secure attachments seem to have many advantages - emotional, social, medical, and cognitive.
