A chemical that indicates if a solution is an acid or base is called a Oxidizer
O Indicator
O Neutralizer

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d