Jim and laura a couple for 10 years, they file joint taxes together but don't have a marriage license nor have they ever been married by an official. this is an example of a ?

The answer is either 3 or 4

Target heart rate is the answer

The question may be incomplete (there are not the possible answers), but according to the scenario, kaley and her coworkers could be in a humanitarian organization like red cross (in the us or in other countries). it's an organization which organizes health and safety services, disaster services, and blood donations.