I think your anwser would be all of the above but you don't have it
D... i took science last year
<span>And of a large group of organized compounds occurring in foods and living tissues. </span>
<span>This is true. Surveillance can be performed efficiently through both stationary and mobile means. As far as human surveillance goes, people can track other people by tailing them or by using a stationary means such as a stake out. As far as technology goes, there are plenty of mobile devices that can be used for surveillance such as tracking devices. Security cameras can be used for stationary purposes.</span>