Involve a right to the substance of being human life,liberty,happiness
I am not able to answer without the answer choices, but any resource that are bias are not reliable.
Answer:
Sounds are higher or lower in pitch according to the frequency of vibration of the sound waves producing them. ... A high frequency (e.g., 880 hertz [Hz; cycles per second]) is perceived as a high pitch and a low frequency (e.g., 55 Hz) as a low pitch.
Explanation:
NACF, they have been successful because they created a programme NAP (national anti-corruption programme) in which they follow different strategies to prevent corruption in south Africa. Next year they'll be hosting the fifth global anti-corruption forum in Jhb