What types of evidence do geologists usually study?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

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

In a copper wire, a temperature increase is the result of which of the following