With regard to elections and public policy debates, the elderly tend to always vote in support of their economic interests to uniformly support the candidate or measure endorsed by aarp to be divided to look to their adult children for guidance

To be divided

Explanation:

Since elderly tend to have more experience compared to the younger generations, they tend to have strong principles regarding the type of policies that they favor. Since they have this principles for a long time and based on their individual experience, the policies that the favor tend to be really different and  it is really hard for their opinion to be swayed by politicians.

radiant energy is a form of kinetic energy only.(a)

i think it is the third one.