Answer:
the 3rd one
Explanation:
Because diffraction grating has light beams going in every direction and makes a rainbow.
Answer:
A.
Hope that helps! We are learning this unit in history!
Explanation:
Answer:
c. Guilt encourages people to be honest in their relationships.
Explanation:
Answer: Option(3) is correct
Explanation:
Child abuse is defined as the situation in which child faces any harm or injury caused by parents, teachers, guardian or any other caregiver.This harm can be caused due ill-treatment, abusive behavior or exploitation of child.Child abuse can be tamper of physical well being, emotions or sexual welfare .
Other options are incorrect because hurting child's feeling can happen apart from abusing them, failure in meeting needs of child and aversive behavior are not the major causes child abuse.Thus, the correct option is option(3).
Answer:
Frequency invoice
Explanation:
When several times the voice repeating occurs in a limited period. It is in the form of waves. It is also called a voice band means that the frequencies occur within the part of audio that is used for the transition of speech of a person or animal. It is a fundamental frequency in human voice especially in males ranges from 80 to 180 Hz and in the female, it ranges from 165 to 255. The fundamental frequency falls below the voice frequency. In this process the sound works as an acoustic sound source: