Strengthening and weakening the connections between neurons, known as synapses, is vital to the brain's development and everyday function. One way that neurons weaken their synapses is by swallowing up receptors on their surfaces that normally respond to glutamate, one of the brain's excitatory chemicals
The answer would be:
<span>B. Child Development Associate (CDA) training program</span>
Hope this helps.
Answer: Quantitative
Explanation:
Quantitative method can be defined as method which can be used in the social science, natural science. In this method systematic models , graphs and charts are used to demonstrate the experiment.
Here, the experiment is done to prove that the population having pets have healthier lifestyles as compared to the population having no pets.
So, here quantitative method is used for this experiment.