Answer:
Development refers to a positive and progressive change in somebody or something.
I believe the answer is: <span>Personal satisfaction
Internal motivator refers to the type of motivation that is not derived from external rewards.
For adults, internal motivation for acquiring new skills mostly based around </span><span>Personal satisfaction while the external motivation would mostly be based on career opportunities.</span>
The best topic for the talk is: <span>How much exercise you can get into very short periods of time
According to short field analysis, the best way to conducted a behavioral changes is by doing the easiest/most attainable goal first before moving to the harder ones. So, when starting an exercise program, it's best to focus on the lowest targets/movement before moving up to a more advanced ones.</span><span />
B. Sacrifice isn't necessary to achieve group goals.
