Answer:
because of the parent's genes
Explanation:
If you change more than one variable at a time, then you will have a harder time trying to figure out why the certain change occurred.
Population age structure is a summary of the number of individuals of each age in the population. An example is, In 2002, 30% of the worlds population was under 15 years old. <span />
The correct answer is "knee j*rk reaction". The knee j*rk reaction is a type of reflex wherein nerve impulses from the muscle does not have to reach the brain for the appropriate motor response of the body. Reflexes are important as to shorten the response time especially in times when a long response time will harm the body.
