Answer:
A high frequency sound waves are perceived as high-pitched sounds. while a low frequency sound waves are perceived as low-pitched sounds.
Explanation:
The wave of a sound can be characterized or grouped by its frequency, a high frequency sound will be seen as a high peach sound while a low frequency sound as a sound with low pitch.
The normal range of sound human beings capable of hearing ranges between 20 Hz and 20 kHz.
Animals like bird and cricket have high pitch while lions and elephants have low pitch.
Answer:
c. the structure of a job makes it difficult for certain groups of individuals to succeed.
Explanation:
Insitutional discrimination is the type whereby an individual passes through as a result of institution like the school, church, prison e.t.c. This discrimination is passed across by the institutional body.
For example, in a situation whereby a school refuses to admit a bright black individual because of their immaginary law but goes ahead to admit someone that has low score just because, he or she is not black can be said to be institutional discrimination.
Answer:
US, UK and Soviet Union
Explanation:
US was definitely in the Allies, so the fourth option is wrong. Mexico had no part in this war, and Japan was on the other side, so third option was invalid. Germany was on the other side, so its not second option.