Which of these defines social search?

Which number on the image above correctly indicates the name of a folder in this url? a.1b.2c.3d.4

Martha is a healer, a healthcare provider, and an experienced nurse. she wants to share her daily experiences, as well as her 12 years of work knowledge, with people who may be interested in health and healing. which mode of internet communication can martha use?

The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head