los alamos national labs (lanl) produces radioactive products to be used in all of the following area, except
which?
a medicine
b. homeland security
c agriculture
d scientific research
select the best answer from the choices provided

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?