Answer:
Yes
Cars need power to drive, and this happens when fuel, converts to energy in the engine, much like mitochondria creating ATP.
C is the proper answer. They have been reduced by using unleaded gasoline because lead can harm the air and water we breathe, so using less of it will help reduce the pollution being caused by it.
I would say that this child may need iodine drops as it may be deficient in this or perhaps a synthroid type medication. Also, it may be wise for such a child to run on a treadmill about 3x per week as this raises the metabolic rate since it is cardiovascular activity.
Ultimate control of testes development is by the hypothalamus which secretes Gonadotropin-Releasing hormone.
Hypothalamus is the one that send signals to your pituitary gland to produce Gonadotropin, which will determine how much testosterone your body produce. which will directly impact testes Development.
