How do I erase a account? I accidentally made another one and I don't know how to erase it.

Ted wants to go out to a neighborhood park and shoot pictures of dew drops on grass. he wants to get a low-level angle of the dew drops. which support equipment should ted use? a. mini tripod b. pistol grip c. monopod d. body mount

Idon understand these and need some ! ?

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.