The independent variable is the caffeine.
it controls the bpm.
Balances & scales
and a
Space Linear Acceleration Mass Measurement Device (SLAMMD)
Puberty is defined as the physical changes that occur in the
body as sexual development is stimulated by hormonal changes. Through puberty,
a child's body undergoes the process maturity into that of an adult, who is capable
of sexual reproductive functions.
Nonrandom mating-inbreeding or genetic drift
