It help warm and moisten incoming air
Explanation:
Nurturing a child, providing it together with physical, mental and spiritual stimulation, is crucial for it’s development. Playing with a child is very important if we want them to develop. We can sing to them, talk to them, play with them... comforting a baby is also crucial. They also feel stressful events, and it’s important to hug, kiss and cuddle them. Reading is very important even though they cannot understand it.
Correct answer choice is:
A.
Low frequency
.
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Explanation:
Place theory is a theory of hearing which declares that our judgment of sound depends on where each element frequency generates oscillations along the basilar layer. According to the frequency theory, the pulse rate of the nerve vibrations of the hearing nerve communicates to the rate of a pitch, which enables us to identify its pitch. The complete basilar layer is stimulated by sound waves at various frequencies.
Answer:
C
Explanation:
Puberty occurs when a part of the brain called the hypothalamus begins to produce a hormone (gonadotropin) that has an effect on the testes and ovaries causing an increase sex hormone — estrogen in girls and testosterone in boys.