Imprinting is a type of behavior a. inherited b. learned c. reflex d. instinct

During an investigation of an xss attack, the investigator comes across the term "[a-za-z0-9\%]+" in analyzed evidence details. what is the expression used for?

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give