Reaching The Age Of Adolescence

Biology
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Young boys at puberty start growing facial hairs. This is an example of:

A
Secondary sexual character
B
Appearance of primitive characters
C
Metamorphosis
D
Protective colouration
Hard
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The table below shows the data on the likely heights of boys and girls as they grow in age. Graph alongside shows height and age of girls and boys on the same graph paper. Which of these statements can be drawn as a conclusion from the graph?
 Age (Years)                             Height (cm) 
  BoysGirls
 0 53 53
 4 96 92
 8 114 110
 12 129 133
 16 160 150
 20 173 165

A
The graph depicts the relation between height and age of girls.
B
Boys and girls grow in height at the same pace over their age.
C
During the age of 4-8 years, girls have less height as compared to boys. However, as soon as girls reach 12-13 years of age, their height shows a sudden increase and becomes more than boys.
D
Growth in boys and girls is dependent on their diet.
Hard
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