Answer:
Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. The average age for girls to begin puberty is 11, while for boys the average age is 12.
Explanation:
It is a part of weber's law and if you need any help they have a bunch of quizlet stuff on this subject
Someone who studies a product before purchasing it, in other words when you see a fast weight loss program/product on tv you should take a moment and consider that product.