To improve aerobic fitness someone should workout in which zone to receive the most aerobic fitness benefits on a regular basis?

In the garden.

Explanation:

To receive the most aerobic fitness benefits on a regular basis, the person should do their exercise in the garden because there is more vegetation there which provide oxygen in large amount which is needed for aerobic fitness. Aerobic fitness are those exercises which requires oxygen in large amount such as walking, running, cycling and swimming,

there are men and women, some choose to be both or change their gender. often times those people go by "other". those who change their gender are known as "transgender"