PLEASE HURRY?? The people of the Middle East obtain more freshwater sources by removing salt from water in a process known as
A. desalination
B. extraction
C. irrigation
D. refinement
Please select the best answer from the choices provided

Stephanie wants to see what percentage of her employees' total working hours are spent working overtime. in the cell, enter a formula that divides sarah's overtime hours (cell c7) by her total hours worked (cell f7)

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

Refers to the biological heritage people use to identify themselves.