Which are the "s" and "t" prepositions
a. sound, took, take, till
b. since, through, throughout, till
c. thorough, that, test
d. since, sass, tag, tail

Which are functions of a search engine? check all that apply. to create informational content for readers to accessto record data and make web address connectionsto retrieve information from websitesto create mathematical algorithmsto rank information in terms of relevance