NOBODY BE FRIENDS WITH YOGIRLKATIE SHE LOCKED ME OUT WELL NOT AS RELATIONSHIP BUT SHE LOCKED ME OUT

In 2002, the rare earth elements mine in mountain pass, california was closed because

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

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